Random street attacks have been occurring in a local industrial city. No similarities among the victims, no clues for a motive or the culprit's next move except for sightings of a large figure in a raincoat. On her way home, Nami encounters an attack in progess. She sees the killer eye to eye and is attacked. Tsukishima saves her in a nick of time which brings them closer. In the same city, Detective Shintaro Matsuyama is after the killer responsible for the attacks. He sees a similarity to an u...