In a city full of bizarre legends and urban ghost stories, the Midnight Patrol is responsible for investigating those "haunted" incidents that the police are lazy to deal with and that are a headache for experts. Each member stepped into the case with a question mark on their face, and while being frightened by the strange stories, they called their mothers, while comforting themselves with all kinds of absurd humor. They discovered that both living people and "non-humans" were trapped in their own obsessions and memories. The case progresses layer by layer, and clues point to the unknown and shocking mystery of the protagonist's own life - it turns out that everyone has a strange story living in their heart. As the final mystery is revealed, everyone learns redemption and growth from fear, and the darkness of the city is no longer difficult to look at.