為了修復感情裂痕，安娜和尤漢來到朋友海邊的別墅度假。海泳時，他們偶遇失足礁石而意外受傷的陌生女人。安娜和尤漢將她和她丈夫收留進別墅，假裝是屋子的主人。誰知，這一決定竟引發了一連串的偽裝、角色扮演和心理游戲，事態也一步步走向暴力沖突和災難的邊緣…… 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.