故事设定在北达科他州的恶魔之门小镇，一个女人和她的儿子失踪了，FBI与当地的警长联手探寻真相，这起谜一样的失踪案似乎与女人的丈夫有关。Set in the small town of Devil's Gate, North Dakota, the film examines the disappearance of a local woman (Regan) and her young son. Schull plays an FBI agent who helps the local sheriff (Frakes) search for answers. Partnering with a deputy (Ashmore), they track down the missing woman's husband (Ventimiglia) and find that nothing is as it seems.