Iris is a teenager like any other, but she has been hiding a disturbing ability since childhood: every time she begins to care about someone, that person dies. For this reason, her mother takes her to an isolated house in the countryside, so she can no longer hurt anyone. As Iris grows up and becomes aware of her condition, the help of Zaìra proves essential—a mysterious woman who seems to live on the other side of the woods and who will become her mentor.