Ryuji Higashiyama, a yakuza underboss, was once a legendary mahjong player known as the "Dragon of the Land." Determined to retire after his daughter Kyoko’s wedding, his plans are shattered when he is murdered by Nambara and Nishikawa from the Kugisaki gang. Fueled by vengeance, Kyoko decides to confront the Kugisaki gang alone, challenging them to a high-stakes mahjong showdown. But when she faces crushing defeat, everything begins to spiral out of control...