A whole family is massacred at a suburban villa. When the police arrive, they find an unconscious man at the scene. He is the only witness to the crime, but when he wakes up, he has no memory of what happened. With few leads to go on, the police bring in a psychologist to hypnotize Fang Hao, but he soon finds himself trapped in one murder chamber after another inside his own mind. On one side are the terrifying murder chambers in his consciousness; on the other is the threat of death from the killer in the real world. A silent war breaks out between the murderer and the witness.
The romance of science students