Finn and Jake have lived happily in Equestria for a few years. Finn and Twilight have gotten married and had a filly named Fionna. But what happens when Finn and Twilight's daughter starts acting strange. And a friend of Jake's that Finn didn't know about appears. And an old enemy rears it's ugly head. Those questions will be answered and more in the second book of the Adventure Time: My Little Pony series!

Cover Art by the original creator of this story and Prologue TheLightning