Four prisoners escape and seek refuge in a Cistercian monastery, where nothing is what it seems. Isolated from the rest of the world, begins a nightmare among the fugitives, willing to kill to protect their freedom and monks whose hostages.。余伟和安娜本是同一所高校的学生,为了争夺教室使用权两人误触漏电的接线板。醒来后发现两人身体互换。眼看毕业在即,两人只能面对身体无法还回来的现实,余伟提出既然换不回来,不如帮助对方来解决马上就要发生的问题,安娜教余伟跳舞,余伟教安娜功夫,两人一起共同进退。。