A female patient in a mental hospital, Guo Shaofang (played by Chrissie Chau), became pregnant for no reason, and the police began to investigate the case. The results of the investigation were unexpected. Shaofang's miscarriage this time was exactly the same as the miscarriage a year ago. What's even more amazing is that both fetuses are the flesh and blood of the male doctor Li Yixiang (played by Lai Lok Yi) who was killed a year ago, and the report that the DNA sequence of the two fetuses is exactly the same shows that the two fetuses are the same life. During the police investigation, an incredible story gradually emerged: female nurse Guo Shaofang fell in love with married male doctor Li Yixiang, so she schemed to replace the male doctor's wife Shen Luping's pregnancy medicine, causing Shen Luping's three-month-old fetus to miscarry, and the relationship between the couple deteriorated from then on. Guo Shaofang was with Li Yixiang as she wished, but terrible things happened one after another around her...