One day Sunset Shimmer says mean and hurtful things to Sonata Dusk, when she attempts to apologize to her a familiar voice tells her that the demon is back and she's going to make her say and do things that will make her friends no longer want to associate with or be friends with her anymore.

Two weeks have passed since the defeat of The Dazzlings and after saving Sonata Dusk from some bullies Sunset Shimmer offers the former Siren her friendship.