Hannah, who had been working as a tutor, suddenly received a letter offering a high salary. And finally he decided to accept the job and went to a big house on a deserted island. There, he meets Ian, the kind young owner, and his new sister, Ailee, whom he tutors. At the time he started a new tutor Job on the island. Strange things start to happen in the seemingly peaceful mansion life, and Hannah learns the secrets of the island with the two siblings...