The plot introduces us to compulsive gambler Sergio, who, despite having promised his partner that he has overcome his accursed addiction, receives a tip-off about a rigged football match. Fully intending to get back all of the money he has lost recently, he returns to his regular betting shop, intent on winning. Everything seems to be going swimmingly, when suddenly Alejo, another habitual gambler, bursts into the joint with a weapon.
米尔德雷德（弗兰西斯·麦克多蒙德 Frances McDormand 饰）的女儿在外出时惨遭奸杀，米尔德雷德和丈夫查理（约翰·哈克斯 John Hawkes 饰）之间的婚姻因此走到了尽头，如今，她同儿子罗比（卢卡斯·赫奇斯 Lucas Hedges饰）过着相依为命的生活。一晃眼几个月过去了，案件仍然没有告破预兆，而警方似乎早已经将注意力从案子上转移了开来。 被绝望和
