It’s just a ‘harmless’ game. Randomly pick the same number as your opponent and accept his or her challenge. But a trio of feisty and annoying young college students take the game one step too far when the butt of their joke turns the tables on them. What begins as a conventional trapped-in-a-house tale morphs into something totally unique. Past relationships play out to deadly consequences as the tale twists and turns in a story based on actual events.