Chen Yongren, a killer nicknamed "Doctor", transmigrated into the world of Infernal Affairs, taking over the life of another young man with the same name. However, he soon finds himself in prison. After his release, Chen Yongren becomes an undercover cop dedicated to eliminating evil. He gradually discovers that this world is unlike anything he imagined, filled with extraordinary abilities and characters from other film and television universes. His struggle for survival in this world filled with characters from various film and television universes begins. He eventually discovers...