Something is wrong with her body. The burning beneath her skin won’t stop. Her teeth ache, her nails hurt, headaches come without warning, and every round of medical tests brings more questions than answers. Desperate for relief, she retreats to a quiet cabin beside a remote mountain lake, hoping rest and solitude might help. But as the moon grows full and a mysterious stranger appears with a cryptic promise, she begins to wonder if what she has been calling an illness might be something else entirely.