Manyang is a small town on the outskirts of Seoul and is usually quite mundane. Dong Sik, a police officer who works at the substation there, is known by the nickname, "the nut case". One day, Ju Won, an elite officer from Seoul, arrives in town. Dong Sik and Ju Won couldn't be any more different, but they end up becoming partners. Then, a skeleton appears before them. 

Manyang, a once peaceful town, becomes engulfed with sadness and fear. As the investigation to locate Kang Min Jung proceeds, Dong Sik shows his sly side, and Ju Won get put in a tight spot. Dong Sik continues to provoke Ju Won, causing her to become inflamed. Meanwhile, a worthy clue turns the situation around.