As Serenity and Annabelle prepare to face their final battle with The Soul Destroyer, a mysterious newcomer appears. Unable to identify them, the sisters are left wondering who they are. But with bigger problems on their hands, they have no clue but to defeat The Soul Destroyer once and for all. Especially when everyone they stand to protect is threatened. Yet when the mysterious stranger reappears, the sisters discover something new. A power unlike any other.....