A resolute and resolute female boss of a multinational company traveled to Yudu after she died from overwork, and by chance she became a slave in the inner courtyard of the city lord's house. Zhou Huan, the son of the lord of Yudu City, lived in seclusion in a separate courtyard because of his supernatural powers and naughty nature. The heroine who abides by the rules and just wants to survive and the male protagonist who is bright and dull fall in love and kill each other. They heal each other in the process of protecting the monsters, ghosts and humans on Cangshan Mountain.