Plot
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.
Where to watch The Retreat?
The Retreat is a horror movie featuring Melissa Schuman and directed by Lance Kawas.
The Retreat is currently streaming for free (ad-supported) on Tubi TV.