Kaiji is an unemployed slacker. He only drinks cheap alcohol and plays gambling games, but not very successfully. One day a man comes to him claiming that Kaiji owes almost 4 million yen and will have to work off such a debt for no less than eleven years. However, Kaiji has an alternative: he can become a passenger of the Ship of Hope, where he'll have a chance to win back his losses, but the cost for losing will be high. In essence, the hero has no choice...