After a series of arson attacks targeting red cars happens in the vicinity of Shiba Park, Shiho Kitami and Detective Hakamada of the MPD's First Investigation Division are asked by the local precinct to help with a stakeout. However, when the entire neighborhood loses power, a murder occurs...

After the events of the first part, the fight seemed to stop for a while. However, the enmity between the Udagawa-gumi and the Seishinkai continued to smolder. Maki and Hayase are targeted by an killer, and Hayase's younger brother Ishioka kills the leader of the Udagawa-gumi due to a threat from Miyauchi, the leader of the Seishinkai. And the conflict flares up with renewed vigor.