相伴十六载、育有两子的弗朗索瓦与朱莉陷入灵肉疏离。为探索真实自我，他们开启开放式关系，纵身情欲迷局……然世事岂能尽如人意？...

The story is carried by Mady, student by day, locksmith by night. But Claire, the enigmatic young woman she is helping out one night, isn’t what she seems to be. This door isn’t that of her apartment....