十二年前,高才生赵康在参加高考前夕为了不让爱恋的女友晓惠受到骚扰,打斗中失手打死小虎,锒铛入狱。待他刑满释放,晓惠已经成为一家大公司的服装设计师,并且两次结婚,是两个孩子的母亲。。Marc and Anna decide to change houses with Hans and Olga, a German retired couple they met online, little by little the change of houses becomes a nightmare for Marc and Anna who discover that they have other plans for them.。