Set in a beautiful seaside town on the Italian Riviera, this is a coming-of-age story about one young boy experiencing an unforgettable summer filled with gelato, pasta and endless scooter rides. Luca shares these adventures with his newfound best friend, but all the fun is threatened by a deeply-held secret: they are sea monsters from another world just below the water's surface.

"In thirteen-year-old Aster's family, all the girls are raised to be witches, while boys grow up to be shapeshifters. Anyone who dares cross those lines is exiled. Unfortunately for Aster, he still hasn't shifted... and he's still fascinated by witchery, no matter how forbidden it might be. When a mysterious danger threatens the other boys, Aster knows he can help -- as a witch. It will take the encouragement of a new friend, the non-magical and non-conforming...