As the fairytale detectives race through the Book of Everafter searching for their baby brother, they encounter various characters including the Editor and his army of Revisers, who threaten the children with dire consequences if they continue to change the stories.

When a kangaroo court of Everafters, led by Judge Mad Hatter, tries Mr. Canis for his past crimes as the Big Bad Wolf, the Grimms seek evidence to save their friend, although Sabrina questions whether he should be saved.