Back in Equestria:
It's been two weeks since the wedding and the incident at the Crystal Empire and things are going pretty well. However, a for the past few days,after the Crystal Empire is back, Princess Celestia has been acting very strange. She has trouble eating, trouble sleeping, and see seems to be getting distracted about something. Twilight, her friends, Spike, her brother, sister -in-law, and Princess Celestia's sister have been worried at her.
Princess Luna decides to call in important meeting and thinks it's time for them to take about Celestia's situation. She knows it's very early since her sister hasn't raise the sun yet, but this is an emergency. Princess Luna is in her royal chamber waiting for the others to come in so they can talk about her sister's behavior. After sometime later, Twilight and her friends walk into the room, with Shining Armor, Princess Cadance, and Spike right behind them.
After the friends are in the room, Princess Luna says, "Now that all of you are all here, I'm sure you want to know why I called you here."
"We are," Twilight replies.
"You made it sound so urgent," Princess Cadence replies with concerns.
Then Spike asks, "Is there something wrong?"
Princess Luna nods her head and answers, "Indeed, my sister has been acting strange lately."
Everyone excluding Princess Luna are looking concern of what she means by her sister is acting strangely. Now they know why Princess Luna has call them here, she needs help find out what's wrong with her sister.
Fluttershy questionably says, "Lately?"
"What do you mean by strange?" Rainbow asks looking curious.
"I mean, my sister has been having trouble sleeping, trouble eating, and she's been very… distracted," Princess Luna explains.
Twilight and the others are starting to feeling concern about Princess Celestia's behavior. They think that there is something going on in her mind, and they need to find out why.
Twilight turns to Princess Luna and asks, "Do you any idea what's bothering?"
"Sadly I have no idea. To make it more troubling, my sister has been having dreams, but is keeping me out of her dream including her memoires," Princess Luna sadly answers.
"That doesn't sound very good," Fluttershy replies sadly.
"No it's not," Princess Luna says.
The others can see that Princess Luna is very worried for her sister. She can tell that something is wrong with her sister, she just can't figure out what that problem is.
Then Applejack says, "If you ask me, I think Princess Celestia is hiding something?"
"But what?" Pinkie asks.
Twilight starts to think about the reason why Princess Celestia is acting so distracted and lose appetite and sleep. She then starts to remember about the incident that happen at the wedding. When Queen Chrysalis confesses about the fire and what really happened to Sunset Shimmer.
She quietly says, "Maybe..."
Jus then, Pinkie comes up to her and asks, "Maybe what, Twilight?"
Everyone looks at Twilight, hearing that she might have a theory of what's bothering Princess Celestia. Twilight hasn't gotten all the facts yet, but she can at least tell them what her theory is.
Twilight says, "I think this has something to do with Sunset."
Everyone looks at each other and Twilight with concerns. They remember how upset Princess Celestia is when Queen Chrysalis confesses about the fire and what happened to her student.
"Don't remind me. I'm still freaked about what really happened to her," Spike replies, feeling a shiver in his spines and spikes on his tail.
"Especially Princess Celestia. Remember, she was Princess Celestia's student before me. She really means alot to her," Twilight replies.
As she is going to explain, Rainbow comes over to Twilight and says, "By the Twilight, I've been wanting to ask you since the incident at the wedding."
"What's that?" Twilight says looking confused.
"Who is Sunset Shimmer?" Rainbow Dash asks.
Twilight tries to think on how to explain to her friends about Sunset Shimmer. It's been some time since the last time the princess has mention her.
Twilight explains, "From what Princess Celestia told me, she was a unicorn. Like she, her magic is very powerful and she was Celestia's pupil before I came to the school."
Then Shining Armor says, "I actually meet her."
Twilight, Cadence and the others look at Shining Armor with confused look on their faces. For a minute, they hear that Shining Armor has actually meet Sunset once.
"You meet her!" Twilight surpurprignly says.
Shining Armor nods his head and says, "Yes. I was still a cadet in training at the time and Princess Celestia brought her over to see us train."
"What's she like," Pinkie asks.
"She a good kid, but she acted just like you," Shining Armor answers.
Twilight looks at Shining Armor with a confused look.
Then, she questionably says, "Like me? How is that?"
Shining Armor smiles and says, "She doesn't think too much about friendship. She's also very smart."
Shining Armor makes a smirk on her face as she face Twilight and says, "So in a way, Sunset Shimmer is just like you Twilight."
"Let's not get carried away," Twilight replies.
"I remember Sunset too. She is alway so focused on her studies. In fact, there was one time that she was going nuts when I took her to see the Starswirl the Bearded Traveling Museum," Princess Cadence asks.
Everyone starts to look at Twilight while Twilight starts to blush a little. She like Starswirl the Bearded to. She is starting to think that she and Sunset are more a like that she believes.
Then Rarity worriedly asks, "Do you think Sunset Shimmer has something to do why Princess Celestia is acting so strange?"
"Could be, but it will be a good idea to talk to her ourselves," Twilight replies looking concern.
"Will she tell us?" Spike asks.
Then Twilight says, "There's only one way to find out."
With that, Twilight leaves the room with the others following them. They think it's about time for confront Princess Celestia to see what is on her mind. The only question, will be able to talk to them about her situation.
In Princess Celestia's chambers, she is simply staring at the sun and looking to make sure the citizens are safe. She she still feeling sad about the incident that happened at the wedding. However there is something else that is going on in Celestia's mind.
Celestia says in her thought, "The journal… She still has it. There's nopony else who was able to write it to the book."
Celestia sounds sad and distracted by what she is thinking about in her mind.
Jus then Celestia hears a knock on the door.
She questionably says, "Who is it?"
"It me sister and I brought some friends with me. Mind if we come in?" Princess Luna answers.
Celestia really doesn't feeling like talking, but she can use some company.
She calmly says, "Yes, you may come in."
The doors to Celestia's room opens and Princess Luna, Twilight, her friends, including Princess Cadence and Shining Armor walk into the room. Princess Celestia is starting to get confused on to why they are all here.
Celestia surprisingly says, "Twilight! When did you all arrived here?"
"Princess Luna told us to come," Twilight replies.
Then Shining Armor says, "Yeah. she told us you've been acting strange lately"
"She said you have trouble eating and sleeping," Princess Cadence adds.
"So we're going to cheer you up!" Pinkie says cheerfully.
Twilight rolls her eyes and says, "What she means is that we want to know what's wrong?"
Princess Celestia can tell that her sister must have figure out that something is wrong. She also see that her sister can't get into her dreams and memories.
Celestia sighs sadly and says, "I didn't do a good job of hiding it, did I?"
"No. You're my sister. I can tell when something is bothering you. We all wished to help, so please, let us what's wrong," Princess Luna firmly explains.
Princess Celestia know that she has to tell Luna sooner or later, but it will be best if everyone else knows about it too. She just, have problems telling them and doesn't want to worry them.
Princess Celestia sadly says, "I… I guess… I'm having trouble accepting it. I still having trouble since I found it. I don't know if I should even reply to it."
"Reply to what?" Fluttershy asks.
Princess Celestia use her horn to levitate a book from her desk. She then puts it on the bed so she can show it to the others. Everyone is kind of confused about see a book that has her cutie mark on it. They have no idea how special the book is.
Pinkie questionably says, "A book?"
Princess Celestia turns to Twilight and says, "Twilight, you remember I told you about my old student"
"Yes," Twilight says while nodding her head.
"This is a special book. I remember giving Sunset a book just like this one," Princess Celestia replies while showing the book to Twilight.
Just then Pinkie comes over to Celestia and says, "So Sunset is the reason why you are so down. Don't worry, here's a chocolate cake with buttercream frosting."
Pinkie then brings two cakes that are already in sliced. She then give one of the slices to the princess. Princess Celestia is kind of pleased that Pinkie wants to cheer her up with a slice of cake, but she puts it on the desk for later. The others can see that Pinkie wants to help, but they think now is not the time for sweets.
Rarity use her magic to trag Pinkie away by the tail as she says, "As much as I appreciate you wanting to cheer up the princess, but now is not the time for sweets."
Some of the ponies in the room starts to giggle a bit as Pinkie is being dragged away and making a pout on her face.
Twilight face to the princess and says, "You were saying."
"This book always me to talk to Sunset when ever she is far away or when she need some advices. I gave the other book 3 days before the fire has occurred so she never had a chance to wrote in it," Princess Celestia explains.
Princess Celestia then turns away with a sad look on her face. From the looks of the face she is making, Twilight can tell that something must have happened with the book.
Twilight asks,"Did something happened?"
"Yes. Something did happened," Princess Celestia sadly answers.
Twilight then levitate the book towards her and decides to take a look in the book. When she opens it, she can see one entry.
She she sees the entry she reads it.
The entry says, "
Hello, my name is Sun. Today I'm at a sleepover with my friends and my sister's friends at Rarity and her little sister Sweetie Belle's house. We had a lot of fun and I feel glad I get to have so many good friends who care about me. However, I've been experimenting with strange dreams that might contains my memories. Some are good, some are scary, and some I remember are music. One of my fearful memories is that I was walking into a room at night and someone with glowing blue-green like eyes was in there and started the fire. You see, I ended up with amnesia so I have trouble remember my past, but little by little I regain some of them from my dreams. I really like to know what really happen in there. I hope whoever is reading it will get get back to me as soon as possible and see if there any advice you can give me.
Sincerely,
Sun"
After reading the entry, Twilight is starting to understand why Princess Celestia is behaving like this. She remember Celestia just telling her about her old student Sunset Shimmer has a book that can she can reply to Celestia at any time. Since she's the only one who knows about the journal, it can only mean one thing.
Twilight looks a bit pale as she says, "You… you don't mean."
"I wish it wasn't, but I know I can't get my hopes up, unless I see it for myself," Princess Celestia replies sadly.
"What's that?" Shining Armor asks.
Before anyone can think on an idea, Twilight says, "I think I know what Princess Celestia is saying."
"You do?" Princess Cadence questionably says.
"What?" Spike asks.
Twilight really doesn't want to get her friends and everyone in the room scared. She's worried that this might make them worried or scared about it. On the other hand or hoof, she knows that she has to tell them about what she think.
Twilight then takes a deep breath to calm herself down and says, "Sunset Shimmer might still be alive."
Everyone starts to look shocked and eyes widen looking completely surprised of what is Twilight is saying.
"Twilight, are you sure about it?" Applejack says looking unsure.
"Yeah. Queen Chrysalis confessed that she is responsible for Sunset's death," Rainbow Dash says.
"I know it sounds impossible, but she's the only one with the other journal and this is the only entry that appear since she disappeared," Twilight explains her theory to her friends.
The others are still not sure if it's true or not, but they knows that Twilight might actually have a point. After all, nopony knows what really happened to her since they never find the body to confirm it.
Applejack surprisingly says, "Wow! So Sunset actually survived the fire."
"But how?" Spike asks with a shock.
"I don't know, but according what she wrote she said that she's with Rarity and Sweetie Belle for a sleepover when the entry was made," Twilight replies, explaining to her friends about the entry in the book.
Everyone looks at Rarity to see if she knows anything about it. Rarity is confused about it at first, but can see that her friends thinks she knows Sunset.
Rarity protests "That's impossible! Sweetie Belle and I have never met Sunset Shimmer before. And I'm certain we never had a sleepover with her."
Fluttershy quietly suggests,"Maybe she meet ponies with the same names as you and your sister."
"That's possible, but it says that she's been called Sun," Twilight replies as she looks in the journal.
Then Rarity says, "For all we know this Sun might not be her."
"I think she is," Twilight protests.
"How," Shining Armor asks.
Twilight levitate the journal towards the others and explains, "Look at the entry that has her dreams. She wrote, 'One of my fearful memories is that I was walking into a room at night and someone with glowing blue-green like eyes was in there and started the fire.' I think that dream she described was when she was in the fire when Queen Chrysalis started it."
The others are starting to understand, even Princess Celestia. The entry in the book, shows them that Sunset has come across someone and cased a terrible fire. The matches the incident in Canterlot throne room.
Applejack looks at Twilight and says, "You're right. Since she was the only pony in there, she must have gotten a pretty good look at her to describe her glowing eyes."
Then Princess Luna surprisingly says, "That means Sunset Shimmer is still alive."
Before they can go any farther, Princess Celestia gets up off of her bed with a serious look and says, "I must find her."
Before Celestia can go anywhere, Twilight comes in front of her and says, "Before you can go anywhere, we need to figure out where she is."
"But how?" Spike asks.
"And how are we going to know where she is?" Rainbow Dash adds to the question.
The ponies try to think of a way to find Sunset Shimmer and their only clue is the entry that is written in the journal. Twilight remember that the journal is used so Princess Celestia and Sunset can talk to each other.
Twilight has an idea and says, "Maybe we can reply to her?"
"It's possible," Applejack replies.
Twilight turns to Princess Celestia and says, "Would that be okay, Princess?"
"I don't mind, but it might take some time for her to reply," Princes Celestia says agreeing to the idea.
"Will do," Twilight says happily.
"Well what are you waiting for, get to writing," Rainbow Dash as she hold out a quill for Twilight to write with.
As Twilight levitates the quill and the journal to the desk, She turns to Princess Celestia and says, "Don't worry princess, we'll find her and bring you back."
Celestia make a small smile on her face and says, "Thank you Twilight. Thank you all for wanting to help."
"It's what we do," Rainbow Dash says with pride.
But before Twilight has a chance to write in the journal, Princess Luna comes over to Twilight and says, " Twilight."
Twilight turns to Princess Luna and asks, "What is it Princess Luna?"
"Make sure you are discreet when you write in the journal. As the entry said, Sunset might have lost her memory. It might be too soon to tell her who she was," Princess Luna informs.
Twilight believes that Princess Luna is right. If Sun that is written in the letter is Sunset Shimmer. Then it might be too soon to tell her about Equestria and her old life. Sunset might even lost her memory about being a pony. Twilight believes that she can simply says high and ask her where she is right now. Twilight then gets the book and the quill with ink bottle to the desk so she can start writing.
"I hope Sunset or Sun will reply to my message," Twilight replies in her thoughts.
Twilight start to write in the book as she says in her thoughts, "Dear Sun…"