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.

Hoping to save their family and the citizens of Ferryport Landing from the evil plans of Mirror, Sabrina and Daphne Grimm seek counsel from the other magic mirrors, who advise them to join forces with the Scarlet Hand.

Fairy-tale detectives Sabrina and Daphne Grimm face their first case without Granny Relda's help when the future gets mixed up with the past in Ferryport Landing, and because some of the future does not look bright, Puck helps them try to make some changes.

When the fairy-tale detectives rush to New York City hoping to find an Everafter who can cure Puck, they trigger a chain of events that includes a murder mystery, and learn many new things about their mother who, along with their father, is still in an enchanted sleep.