一对已婚的夫妇决定用一位有诱惑力的西班牙美女检验他们关系可以承受的开放界限。当一种不大可能的关系产生,这三个人被迫去重新审视他们爱情的定义。A married couple decides to test the boundaries of their relationship with a seductive Spanish woman. When an unlikely relationship ensues, all three are forced to rethink their definition of love.