It is based on the fate of a psychiatrist who, years after her disappearance, deals with loss of his daughter, who has been missing for years.王善也没有睡，他看着杨间在屋子里游荡，开口道：“当初我进来这里的时候就和杨队一样的想法，想看看能不能发现什么线索，结果很可惜。”