Thirteen-year-old Bertie strives to save Theater Illuminata, the only home she has ever known, but is hindered by the Players who magically live on there, especially Ariel, who is willing to destroy the Book at the center of the magic in order to escape into the outside world.

Instead of fighting each other, Jinx and her little brother The Doom spend their days fighting crime, protecting the planet, defending the innocent, and taking lunch breaks.

When her big sister is too busy to play "let's pretend" and tell entertaining stories, a little sister creates Sister Day.