Two teenage friends conspire to find out how much their youthful sensuality can disrupt one of their households, headed by a dentist and his mentally-ill wife.

1957年，原纳粹军官Max（Dirk Bogarde 饰）隐姓埋名，在维也纳一家酒店当午夜守门人。某日，他遇到著名指挥家的妻子Lucia（Charlotte Rampling 饰），往事排山倒海而来。