Swarm the Changeling has lived among the ponies of Ponyville for several months. Pinkie Pie, his beloved, throws a party in honor of the event. But when figures from both of their pasts coem forth, will Swarm stay in Ponyville? Will he fall prey to the words of his former master?

Will he be able to keep the love he holds for Pinkie Pie? Or the love that she holds for him?