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.
八公（Forest 饰）是一条谜一样的犬，因为没有人知道它从哪里来。教授帕克（理查·基尔 Richard Gere 饰）在小镇的火车站拣到一只走失的小狗，冥冥中似乎注定小狗和帕克教授有着某种缘分，帕克一抱起这只小狗就再也放不下来，最终，帕克对小狗八公的疼爱感化了起初极力反对养狗的妻子卡特（琼·艾伦 Joan Allen 饰）。八公在帕克的呵护下慢慢长大，帕克上班时八公会一直把他送到车站，下班时八公也会早早便爬在车站等候，八公的忠诚让小镇的人家对它更加疼爱。有一天，八公在帕克要上班时表现异常，居然玩起了以往
