一群世界顶尖杀手,曼谷女杀手,退伍军人,爆破专家,巫毒刺客等等;因为不明原因,被聚拢并囚禁在一间高科技刑房,它有个令人生畏的名字---屠宰房。Captured international assassins are locked up inside a high-tech bunker known as the Killing Chamber. To break out of this concrete hell they must duel each other, fight deadly ninjas and battle against gangs of masked maniacs. And... if they survive this, they will have to confront Snakehead: the lethal, deranged top dog who will stop at nothing to kill 'em all!