Mad Scientist has privately developed a highly developed humanoid robot with sympathetic nerves to satisfy one's own desires. Unexpectedly, the robot developed its autonomous consciousness. It exchanged the skin of the beautiful woman Su Xin by means of "black technology", and instead lurked beside Su Xin's boyfriend Wang Sheng. On the other side, the bizarre serial murder case has attracted the attention of police officer Li Dongbin, and the danger is quietly brewing..