Reiji Mano meets up with a school teacher in order to uncover the truth behind a murder incident which took place 25 years ago. He manages to attain new information about a former tennis player who fell off from a pedestrian bridge, which may lead to some valuable clues.

Reiji Mano who is now trying desperately to uncover the truth about the family murder, goes to visit the president of a food production company. However, a terrible gas explosion eads to shocking consequences.