Saburo Sugimura works for the PR department of a company which his father-in-law runs. his job is to edit the company newspaper. One day, on the bus, Saburo Sugimura faces a hijacking attempt by an older person with a handgun. The police enter the bus, but the handgun goes off by accident and the hijacker dies. All the hostages are safe. The case seems solved, but the real mystery begins. The passengers and bus driver are due to receive compensation from the deceased hijacker.