犯罪泛滥的未来，一家权力企业垄断监狱系统，为罪犯发放致命手表，逼迫他们互相残杀以换取自由。埃勒拉是被操控的杀手之一，她必须在生死猎杀中活下来，却发现自己有着双重身份——她既是企业的棋子，也是系统内部的颠覆者。在霓虹雨夜的都市与冰冷的企业实验室之间，埃勒拉一边与其他罪犯厮杀，一边暗中布局，试图从内部推翻这个操控人性的暗黑系统。...

　　A retired cop seeks revenge for his best friend's death, taking justice into his own hands after failing to achieve it during his police career....