本是一名严重的梦游症患者。他每天晚上只要一睡着就会开始梦游，并且第二天醒来后完全不记得自己做了什么事，也不承担后果和责任。直到有一天他遇到了通宵用餐的艾莉森，他才被迫的意识到人生中对他重要的是什么。

Marie, mute, contacts her sister living in the UK since 12 years after the death of their father. Sarah comes back to France for the funeral. But one night, two burglars come in the house and take the two girls hostage.