Kaiji erased all of his debts by participating in games where his life was at stake. A year later, he is in the same debt ridden situation. Kaiji gets the chance to clear himself of his 200 million Yen debt, but he has only 2 weeks: he has to take on the mother of all pachinko machines named "The Swamp". The top winning payout is over 1 billion Yen. "The Swamp" is controlled by an illegal casino operation named Teai. They control the machine from a remote location to ensure the machine never pays out the jackpot .