为了修复感情裂痕，安娜和尤汉来到朋友海边的别墅度假。海泳时，他们偶遇失足礁石而意外受伤的陌生女人。安娜和尤汉将她和她丈夫收留进别墅，假装是屋子的主人。谁知，这一决定竟引发了一连串的伪装、角色扮演和心理游戏，事态也一步步走向暴力冲突和灾难的边缘…… Intent on repairing a rift in their relationship, Anna and Juhan retreat to a seaside house lent to them by well-heeled friends. After witnessing an accident on rocky shore, they take in a wounded woman and her husband - a couple they find they have a lot in common with. Anna and Juhan begin to pretend they own the house, engaging their guests in a game of domination that propels their relationship to the brink of destruction.
克里斯蒂安·沃尔夫（本·阿弗莱克 Ben Affleck 饰）具有破解复杂难题的天赋。当一位旧识惨遭谋杀，并留下一条“去找会计师”的神秘讯息后，沃尔夫不得不开始追查此案。当他发现得用更极端手段时，沃尔夫找了他久未连络、同时是名顶尖杀手的弟弟布莱斯顿（乔·博恩瑟 Jon Bernthal 饰）合作。兄弟俩与美国财政部副局长玛莉贝丝·麦迪纳（辛希亚·阿戴-罗宾森 Cynthia Addai-Robinson 饰）联手，一起揭露这桩致命阴谋，却让他们成为冷血杀手集团的目标，这群杀手无所不用其极也要掩盖秘密。
