After being cruelly set up and deceived by Sugimi, a detective in cohorts with the mob with whom she was whole-heartedly in love, Matsushima’s desire for revenge knows no bounds.
A Japanese bullet train is threatened with a bomb that will explode automatically if the train slows below 80 km/h, unless a ransom is paid. Police race to find the bombers so the train crew can learn how to defuse the bomb.
Three robbers escape with loot from a heist before one of them kills the others. Their corpses wash up near the aftermath of a maritime calamity, provoking a policeman's interest.
