After the embarking on a musical journey, it's time to set up the con of a century. Kaiji is back, and is broke again. To pick up the pieces of his life, he needs money, the more the better. And preferably quick.
He challenges the ultimate gambling machine Swamp. However, skills are not enough, as the machine is controlled by Ichijou, one of the competitors who went through the Skyscraper of Darkness game and won.
To prove that they are not losers, the slaves under the Teiai group come together. Some ofKaiji 2 - Play-Asia.com them have families destroyed by Teiai, some of them are previously high ranking officials in the group. With the brains of a genius and the courage of a fool, the group pit themselves against a Behemoth to win their freedoms back.