Jimmy Reardon and Mary Spalding head their respective organizations, Mary as Director of the Organized Crime Unit, Jimmy the boss of his family's organized crime business. Unexpectedly, Mary successfully recruits Jimmy to act as her star individual in the OCU's underground intelligence network on organized crime. However, it's a two-way street as she needs to provide Jimmy with inside information on police knowledge of his businesses. Both Mary and Jimmy need to tread lightly in their relationship while they try and maintain a grip hold on their respective businesses.
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
