In a world quite unlike our own, humans share their living space with all sorts of spirits, demons and deities. Living together isn’t always easy, so benevolent spirits and humans have created police forces that maintain order in densely populated areas. In hope of overcoming his fear of spirits, Huang Zhitao joins the police force of Ghost City, a place for spirit refugees. His first mission under Commissar Wu already fails terribly, but at least he meets Niu, an ambitious village girl,