A married couple, Simon and Robyn, run into Gordo, an old classmate. Things take a turn when Gordo begins to drop in unannounced at their house and inundates them with mysterious gifts.
A lonely woman befriends a group of teenagers and decides to let them party at her house. Just when the kids think their luck couldn't get any better, things start happening that make them question the intention of their host.
Two violent young men take a mother, father, and son hostage in their vacation cabin and force them to play sadistic "games" with one another for their own amusement.