Park Jeong-hwa

Self-proclaimed tough guys 'Jae-pil' and 'Sang-gu' move into their dream European-style house. When unwanted visitors arrive, awakening an evil spirit hitherto sealed in the basement, a dark aura begins to envelop the house.

A secret club centered in an ordinary Chinese restaurant Dragon Inn investigates and solves the cases. However, one case turns a serious one when the son of CEO is found dead, and a possible murderer is the member of Dragon Inn.