When orphaned sisters Sabrina and Daphne Grimm are sent to live with a mysterious grandmother they thought was dead, they discover their family's incredible secret: they are descendants of the famous Brothers Grimm and are tasked with keeping the peace between humans and Everafters—magical fairy-tale creatures living secretly in their town. Thrust into this strange new world, the girls must embrace their destiny as fairy-tale detectives when their grandmother is kidnapped by a mysterious giant. Using a book of fairy tales as their guide, they must solve the magical mystery, outwit dangerous creatures, and learn that sometimes the scariest stories are true.