Turns out Rainbow Dash and Rarity are a married couple, and have been since before Twilight moved to Ponyville. Twilight never knew this. Hilarity ensues, as well as a few feels.
It’s Hearts and Hooves Day and Rainbow Dash needs someone to be her Special Somepony for the holiday. But turns out that’s a lot more difficult than she imagined it’d be.
Rarity drags Rainbow Dash to a Cello concert featuring Octavia and Vinyl Scratch. Vinyl is actually an expert cello player but prefers her turn tables. On a challenge from her Marefriend she agrees to do the concert with wagers on the line.
Applejack and Rainbow Dash have decided that it's time to ask Rarity if she's interested in joining their relationship. Rarity was not ready for such a question.
On the day Rainbow Dash recieves her acceptance letter to the Wonderbolt Academy, she is reminded of the night prior, when a very unlikely friend helped her press on to reach her goals and believe in herself.
What happens when you Seth Rogen the Mane Six, give them alcohol, weed, make them randy, and love struck? Have Rainbow wanting a lover, Twilight to lose her virginity, Rarity plan the personal lives of everyone, and nearly no moral compass? This.
Rainbow Dash and Rarity have been dating for two years now, and all the time the multicolor pegasus has kept a secret about the start of it. She will be able to share the secret in their second annyversary date? How will Rarity take it?
Speedy, stylish, awesome, pretty...? Rainbow has an image to maintain, but after helping Rarity with several projects, she starts to wonder if looking a bit feminine is bad after all.
In the single most important night of her life, Rainbow Dash decides she wants to impress Rarity by ordering a impressive drink. In other words, chocolate milk with a swirly straw.
Rainbow Dash needs Rarity's help for a rather personal matter. Luckily, Rarity is always willing to help a friend, no matter how awkward the situation.
Having received a message from the unicorn asking to see her, Twilight goes to Rarity's house to see why. It turns out the mare has been drinking too much again. Twilight is rather unamused by the event, and by its consequences.
Rarity lived her whole life dreaming of Canterlot, but sometimes the sweetest of dreams can strangle the real, and ponies can get hurt in the process. Rarity just wishes it hadn't been somepony who loved her.
There are times in life when one has to stop and reflect on how they came to the place they are now. For Rainbow Dash, that happens while barreling down the hall to Rarity's studio to ask her a very important question.