The heroine of the story is a girl with the mysterious name Lost, whom everyone considered the daughter of a witch. Even in infancy, she was left an orphan, and a lonely woman took her in to raise her. Living high in the mountains, Lost did not communicate with her peers. Her first friends are a blind girl and her brother, who came here on vacation with their family. One fine day, without expecting it, the guys find themselves drawn into a whirlpool of amazing and dangerous events.