After a convenience store robbery, three unidentified men hold a group of people hostage in a hospital. Inspector Ishida and Captain Tohno handle the negotiations while one of their colleagues, Lt.

There is one female negotiator, Usagi Reiko, who bravely fights at the frontline. She is isolated in the male world of the SIT but courageously fights against crime as well as her organisation.

In the midst of an elaborate conspiracy, an expert negotiator is driven to the edge when he's framed for the murder of his partner, as well as embezzling money from his department's pension fund.