David, the medical examiner who was accused of murdering his own wife, went to investigate a store homicide in Seattle. He inadvertently found the same clue at the scene of the murder as when his wife was murdered, so he decided to investigate. However, the investigation was fruitless until he met Martha, a beautiful professor of neurology, at the fundraiser. Martha is working on a special formula to transplant the memory of mice. This made David think suddenly, steal the potion and inject the memory of the deceased into his body for human experiments, in order to see the murder, find out the suspect to solve the case. While David was bent on helping the police solve the case, the suspect was shot and killed in a confrontation with the police. David, who lost the only clue, could only borrow the memory of the dead suspect to find the next clue. The murder and the grievances of the past, which I thought were coming to an end, were fully reversed in the memory of David's personal experience of the dead suspect. He discovered the big lie that concerns him...