布洛克（哈里森·福特 Harrison Ford 饰）是一名经验丰富精明强干的警察，他和妻子佩顿（苏珊娜·汤姆森 Susanna Thompson 饰）结婚多年，感情一直十分稳定。然而布洛克并不知道的是，佩顿和女国会议员凯（克里斯汀·斯科特·托马斯 Kristin Scott Thomas 饰）的丈夫库伦（彼德·考约特 Peter Coyote 饰）有着一段不伦的私情，直到他们搭乘的飞机坠毁双双遇难之后，布洛克才知道妻子的不忠。
向来刚正不阿的布洛克崩溃了，他怎么也想不通妻子为何会背叛自己。为了调查事件的真相，布洛克开始了疯狂的探索，他甚至找到了凯，想要了解其中的隐情。随着时间的推移，布洛克和凯之间渐渐产生了奇怪的感情。
本片改编自劳伦斯·奥斯本同名小说，小说故事描绘了在摩洛哥沙漠中，一对英国夫妇和当地人在一个豪华别墅的周末聚会上相遇的悲剧。 Speeding through the Moroccan desert to attend an old friend’s lavish weekend party, wealthy Londoners David and Jo Henninger (Ralph Fiennes and Jessica Chastain) are involved in a tragic accident with a local teenage boy. Arriving late at the grand villa with the debauched party raging, the couple attempts to cover up the incident with the collusion of the local police. But when the boy’s father arrives seeking justice, the stage is set for a tension-filled culture clash in which David and Jo must come to terms with their fateful act and its shattering consequences.
