Joon-sik and his girlfriend Min-hee are having a romantic trip to a remote Island, where just a few people live. There he meets Sung-chul who invites them for a drink. While Joon-sik is heavily drunk, Sung-chul assaults Min-hee and tries to rape her. But the lovers are able to flee, though Sung-chul turns out to be a psychopath who now wants to kill them both.