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……Intentonrepairingariftintheirrelationship,AnnaandJuhanretreattoaseasidehouselenttothembywell-heeledfriends.Afterwitnessinganaccidentonrockyshore,theytakeinawoundedwomanandherhusband-acoupletheyfindtheyhavealotincommonwith.AnnaandJuhanbegintopretendtheyownthehouse,engagingtheirguestsinagameofdominationthatpropelstheirrelationshiptothebrinkofdestruction.