A group of delinquents with traumatic pasts are gathered once again for a battle of the fittest in an abandoned mansion. As the games go on, their secrets are uncovered and their relationships are tangled together. "They're here sir." The butler says, his master smiles to himself, quite satisfied with the news. "Well, that's perfect. Justice will be served." "But, how will they survive, the puzzles are so hard-" "Oh. They're not meant to survive." It's only a matter of time before the carnage begins.