The hardened veteran detective Rena and bright-eyed rookie Sato take on a menial investigation. The job goes well until a thug named Dobu steals their evidence. Disheartened, they take a job looking into the life of a taxi driver named Odokawa in hopes of redeeming themselves. They wind up in the middle of a missing girl case, with gangsters, aspiring students, and surprises around every corner.
One year after the hospital occupation incident, Saburo Musashi (Sho Sakurai) of the Kanagawa Prefectural Police Investigation Division has another "worst day" ...! Kanagawa Prefecture's first international airport "Kanagawa New Airport" is suddenly occupied by an armed group wearing a beast mask!