A serial killer's detailed blueprints are thwarted when his would-be victims, co-workers on an office retreat, begin to turn on each other. He finds himself caught in between his own plans and the unplanned murders by the jealous, backstabbing co-workers he intends to kill.

A director and her lead actor get a vacation rental while filming a movie. Their host, who initially comes across as extremely sweet and caring, becomes their worst nightmare.