During a family gathering, dinner is interrupted by a knock at the door. 5 intruders take the guests hostage and put them through a series of sadistic games. As the night goes on, the intruders realize they also may have something to fear.
After a prank goes wrong, one person is left dead and another institutionalized. Ten years later, a group of friends are partying at a cabin in the woods unaware that a deranged psychiatric patient has escaped and is hell bent on revenge.
After the death of her grandfather Fred, Aubrey and her friends return to his old farm house to pack up his things, unaware that Piper is nearby.
