Wishing to reassure Sprout that she's his forever friend, Izzy casts a mysterious spell that promises to grant them eternal unison. When the spell results in Sprout's soul being absorbed into Izzy's body, life is sure to become chaotic for both of them! Follow along to see how the two very different ponies cope as one, and how Maretime Bay copes with the seeming absence of deputy Sprout.

This story takes place after A New Generation, and before Make Your Mark.