A reckless teenager, Jonny Baptiste is sent to live with her aunt Hildie, a distant relative she barely knows. On her eighteenth birthday, she undergoes a radical transformation as a result of an old family spell called ‘Forevering’, which awakens brutal instincts in her. When several girls go missing at her new school, Jonny, now a mythical hunter, sets off in pursuit of the predator. But this will not be the only threat she has to face. As the darkness inside her grows, she risks losing herself in a battle against ancient and unknown forces.