After rescuing Princess Flurry Heart from a frigid limbo with the help of the Crystal Heart, Sunny wonders where to go from here with the first alicorn Equestria has seen in centuries.
Shortly after the events of a big storm in Maretime Bay, and Hitch and Pipp finally letting their feelings about each other be known, they now have to tell the others. While everypony does approve, Zipp knows that she'll need to talk to Hitch soon.
Sunny and Izzy seek out the legendary Twilight Sparkle on some advice on where to find Opaline and make a friend out of her the same way Twilight made friends out of foes in the past. They find out those foes didn't become friends willingly.
(Loosely based on "Winnie the Pooh and a Day for Eeyore".) Sunny becomes convinced that Sprout feels like he's been forgotten, so she decides to cheer him up by having her friends work with her to throw Sprout a surprise birthday party.
Sunny Starscout's ongoing search for Equestria's ancient past sends her up to the northern arctic, where it is written that a city protected by love once stood.
Eager for more answers about Equestria's ancient history, Sunny Starscout uses one of her dad's maps to venture into a long-untouched forest in search of the past.
Sunny is careful to use her new abilities and influence only to help others. But even so, she notices everypony in town is increasingly tense and fearful around her. And then she finds out why...