The world is desolate and filled with demons and ghosts. She is the Holy Maiden in Dark Clothes. She was extremely glorious in her previous life, but she had half of her immortal bones stripped off because she violated the rules. In this life, she was a concubine in the government office of Gongdu, secretly working as an exorcist. He is a policeman in this life, but he does not know his life experience. The imperial city is in danger, the emperor is sick and weak, and the strange imperial master is possessed of evil spirits. There are all kinds of bizarre murder cases in the city, with cases solved, kidnappings, threats, aura-wielding gangsters and mysterious detectives working together to resolve them one by one. The past is gone, she still remembers him, but he has forgotten everything.