After a deadly shooting, a police officer wakes up decades in the future. In a world where a TV show organises bloody combats between warriors from different eras, Ryan must fight the best of them to survive.

　　一名问题高中生大卫，似乎受心理疾病之苦。他莫名被不明人士追杀，因此发现隐藏在体内的暗黑力量，开启通往超能力世界的大门与发现他不为人知的过去…