Toki Mishiba, Nobuto Nakajo, and Kazuo Saitou are hired to participate in the Biz Game, a contest resembling capture the flag but involving corporate secrets and vast sums of money. Initially, they view it as a wild yet entertaining way to earn cash, but as the game progresses, they hear news reports of mysterious deaths and identify the victims as members of teams they have defeated. When one of the defeated players dies right before their eyes, they realize what is truly at stake—their own lives!