Emma Spelling is a 15-year-old girl fascinated with magic. She discovers a magical key that takes her to an island called Monster Island, where she discovers she is actually half-human, half-witch. She begins attending HalloMonster Academy, where she befriends with her two classmate Valerian van Hauntley and Briar Zombie. She uncovers a sinister plot that threatens not only her school, but her friends and her team up to stop it.
