遍布纽约全城的数百帮派在这个夜里集体出动，为了响应纽约地下王者塞勒斯的号召，每支帮派派出九名不携带武器的成员参加塞勒斯的帮派大会。塞勒斯慷慨陈词，要求所有帮派遵守停战协议，将矛头一致对准警察，然而在演讲当中，塞勒斯中枪身…

　　What if one of the best days of your life suddenly turned into your very worst nightmare? And what if you were forced to relive that same day again and again?

亚当·米切尔（埃里克斯·肯德里克 Alex Kendrick饰）、南森·海耶斯（肯恩·拜沃尔 Ken Bevel饰）、谢恩·福勒（凯文·唐斯 Kevin Downes饰）以及大卫·汤姆森（本·戴维斯 Ben Davies饰），四位随时复命的执法者，每天都生活在危险之中…

What if one of the best days of your life suddenly turned into your very worst nightmare? And what if you were forced to relive that same day again and again?