It's July 1963 and one week into his school's summer vacation fourteen-year-old, Stanley Bolton is already bored. This is not a good thing since Stanley has a penchant for getting into trouble when that happens. After receiving a book of spells, in anticipation of some prankish fun, Stanley persuades his only friend, to participate in conjuring a mythological being who according to the book can make predictions as well as acquire certain items upon his command. When the being, known as a 'harpy', appears unexpectedly in Stanley's room, it confirms the conjuring has worked. Seeking possible advice from the book of spells, Stanley discovers it is missing. Will Stanley Bolton and his friend ever be free of the harpy's spell? What will become of the harpy? Will her lust for power be her downfall?