In the finale of 16, we can see that 80 transplanted a doctor's brain did not get worse. On the contrary, 80 transplanted a good doctor's brain, so it was empathy that made him feel very painful about what he had done in the past and felt the love of Feng Yi.

From the perspective of a bystander, the screenwriter gradually made the doctor's good image clear. The identity of the child who was deliberately used to confuse the audience was also confirmed. When I was a child, the boy in yellow who fed mice to snakes was born after 1980s, while the kind boy who bandaged the wounds of 1980s was a doctor when I was a child. There are no redundant roles, and the holes dug before are made up one by one.

The subject of espionage

In the theme of this play, good and evil are no longer personal problems, but have risen to society. Perhaps a big proposition is that scientific discovery is a double-edged sword, which can be used for good or evil.

Before dying, the doctor told 80 that they were all mice used by others to do experiments, and everything was under the control of others. After the doctor's death, the 80-year-old who transplanted the doctor's brain became a combination of two people, with both super IQ and feelings. The task of 80 became to destroy the organization that used him for experiments before he died.

Doctors and post-80s are in the same boat. They live in The Truman Show, and their every move is monitored, even if they are serial killers after 1980s. Moreover, 80% of menstrual uncles are organized to find someone to install them, and they have been installed for more than ten years.

The doctor is really a genius with an IQ as high as 169. He found himself being followed when he was very young, so he found the post-80s who were also being followed, but at this time he didn't notice and was still immersed in his exciting serial killing game.