Set in the deep freeze of a northern Michigan winter, when a group of college students volunteer to assist their psychology professor with his research, their weekend retreat turns into a nightmare.

A group of college students travels to the cottage of their psychology professor Barren in an isolated island as a reward of their teamwork in the research of Barren. They expect to spend the weekend with lots of sex, but a serial-killer turns their party in a nightmare.—Claudio Carvalho, Rio de Janeiro, Brazil