The fairy-tale detectives & The unusual suspects

The fairy-tale detectives: Orphans Sabrina and Daphne Grimm are sent to live with an eccentric grandmother that they have always believed to be dead. The unusual suspects: Although filled with anger over her parents' disappearance, eleven-year-old Sabrina Grimm--along with her grandmother, sister, and several fairy-tale characters--tries to discover who has killed her teacher.