Violet's starting kindergarten soon, and Mabel has been coaching her carefully to prepare for the first day. As they begin their back-to-school shopping, though, strange things start to happen. New shoes just won't behave. Reflections get fuzzy in store mirrors. And then a visit from mysterious Uncle Vartan exposes a big secret: There's magic in their family. Mabel is sure she's the one with the magic. Imagine her dismay when she realizes that it's actually adorable, annoying Violet. And life will never be the same!