When panic erupts on a Tokyo-bound bullet train that will explode if it slows below 100 kph, authorities race against time to save everyone on board.

During the heyday of women’s pro wrestling in bubble-era Japan, Dump Matsumoto bursts into the ring, shattering norms and turning the nation against her.

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…