Sixteen-year-old Milla lives on a sheltered family farm near a cursed village. Isolated and expressly forbidden from going to the village, Milla is thrilled when a young girl named Iris come to stay. But, Iris has a secret--that a demon in the village possesses girls at random and that the townspeople live in constant fear over who will be next. Now, the demon is coming for Iris, and when she is taken and imprisoned with all the other girls, Milla leaves her farm to rescue her friend. On her journey she begins to feel a change and may soon become a demon herself. Modeled on a feminist retelling of the Greek Medusa myth.