边境风云诡谲隐祸端，异心守将蠢蠢欲动阴谋分裂反叛！经疏勒城一役，耿恭（谢苗 饰）受命携十三将巡边西域，途径蒙城附近遭匪寇劫杀，多名兄弟惨死。蒙城主将江城伍（籍翀 饰）生叛心暗通外藩，视耿恭为眼中钉，耿恭等人陷入瓮中之鳖困境，更有与永远之爱人范柔神似的江城伍之妹江月（陈梦希 饰）以美人计搅其心神，耿恭能否抵住诱惑？一句“分裂国土者，有多少、灭多少”明其忠勇之志，但又能否凭六人之力阻止蒙城之乱，斩杀叛逆之贼？
When Dakota tries to break off her toxic relationship with Axel, it starts transforming him into a monstrous creature. He gradually succumbs to the poison of the decaying relationship, becoming a creature with increased aggression, a touch that melts skin and worst of all, he's contagious.
