We instinctively reject "others", whether physical or psychological. This is the "bad nature" of all living things. Moreover, no one cares about the life or death of "others". The Spirit Prosecution Bureau, commonly known as the Black Police, is responsible for the management and control of spirits (non-human) such as demons and ghosts. Zhou Chan has always considered himself a "loser in life". He has wanted to commit suicide many times, but he has been prevented by inexplicable reasons, or he suddenly figured it out. Later, he felt that God would not kill him, so he had an inhuman optimism.
By accident, he broke into the police headquarters. Because he was targeted by the murderer of a large-scale serial murder case - a "monster" who claimed to be from a secret organization thousands of years ago, he became a "temporary member" and "key protection target" of the black police. During this period, he learned about the past of some members of the black police, and vaguely knew the truth about the serial killings of "monsters" thousands of years ago. He also met an "old friend" from thousands of years ago, and even his identity as a "pure-blooded human" was shaken... The story of a gentle old woman attacking a drama queen, 1v1, and an old lady conquering a drama queen.