Mallory, a depressive, pill-popping art student with a knee injury, must survive the night in her apartment when she is haunted by evil, malevolent beings. Or is it all just in her head?

Six single adults are hired by an online dating company to test out a new service to be offered in the near future. The group vacations together in a cabin in the woods where they are given activities and games, encouraging modern romantic connection and sexual exploration.