In the Susukino red light district of Sapporo, a private detective (Yo Oizumi) drinks alcohol with his driver Takada (Ryuhei Matsuda) in his favourite bar. There he receives a phone call from a woman who identifies herself as Kyoko Kondo. The woman asks the detective to complete a simple task. The detective, having an excellent sense for danger, thinks the work is easy and accepts the case. The next day he begins the investigation.

A friend of the detective has been is murdered. During the investigation, he comes across a source which tells him that his friend was murdered for involvement with the dark side of the political world. On top of that, a woman approaches the detective with a request.

In order to find a missing university student, a detective and his buddy get involved with the owner of a modeling agency.