Hazel, a ten-year-old girl who has just moved to the big city of Dimmadelphia for her father's new job, explores the city on her own after her brother Antony leaves for college.

Based on the Monster High franchise, Clawdeen Wolf arrives at Monster High with a dark secret. With the help of her friends Draculaura and Frankie Stein, she is able to embrace her true monster heart and save the school from total destruction.