Set 2 years after prior film "Bayside Shakedown 3: Set the Guys Loose," a major case occurs that has the potential to take down the entire police organization. For the next 3 days, Shunsaku Aoshima and his colleagues struggle to unravel the case...

Bayside Shakedown 2 is a thrilling Japanese crime drama sequel that takes place in the lively city of Yokohama. The story follows a dedicated police precinct and their talented detective as they tackle a high-profile murder case. With the pressure mounting, they must race against time to uncover the truth and bring justice to the victims.

When a dead body is found in a river, a dedicated police inspector starts an investigation that leads him to uncover corruption within the police department. As he digs deeper, he uncovers a web of deceit and violence that threatens his own life. With the help of his team, he must navigate the dangerous landscape of corruption to bring justice to the victim and restore trust in the police force.

After Detective Shunsaku Aoshima is promoted to section chief he has the daunting task of dealing with eight cases at the same time, which includes a murder case, bomb threat, and a bus hijacking. Complications also arise between Detective Aoshima and his juniors.