At the end of 2012, the International Energy Summit was held in the jurisdiction of the Bayshore Police Station. Everyone in the police station is busy with multiple duties. While Aoshima Shunsaku (Oda Yuji) and his partners are busy, Onda Sugi (Fukatsu Eri), who is suffering from old injuries, decides to quit the police and leave quietly. On the other hand, a kidnapping and murder case suddenly occurred. Due to the special nature of the gun involved, the investigation of the case by the management officer of the First Investigation Division, Torikai Seiichi (Oguri Shun), is strongly leading the investigation of the case, while Aoshima is still trying to track down the murderer as always. However, behind this confusing case, there seems to be an inside story related to the top police officers. As the number of victims continues to increase, a case of kidnapping and murder of a young child six years ago has surfaced. At this moment, the top officials are punishing Aoshima, who is close to the truth, according to Torikai's instructions. Aoshima, who has lost his identity as a police officer, is still desperately running on the road to tracking down the murderer and the truth...