약 1,500명의 승객을 태운 하카타(博多=후쿠오카)행 "히카리 109호"는 9시 48분 정각에 도쿄역(東京駅) 19번 홈을 떠난다. 열차가 도쿄역에서 약 50여km 떨어진 사가미하라(相模原)에 이르렀을 때 국철(国鉄)※본사의 공안본부로 109호열차에 폭탄을 장치했다는 전화가 걸려온다. 특수장치가 내장된 이 폭탄은 열차의 속도가 80km 이하로 떨어지면 폭발한다고 하면서, 그 증거로 삿포로(札幌) 근교의 화물열차를 폭파해 보인다. 이 완벽한 폭파계획은 불황으로 도산한 정밀기계공장의 경영자였던 "오키타 테츠오(沖田哲男)" 일파에 의한 것으로, "오키타"는 국철본사에 5,000만 달러를 요구하는데...
Repeatedly beat to a pulp by gamblers, cops, and gangsters, lone wolf Shoji Yamanaka finally finds a home as a Muraoka family hitman and falls in love with boss Muraoka's niece. Meanwhile, the ambitions of mad dog Katsutoshi Otomo draws our series' hero, Shozo Hirono, and the other yakuza into a new round of bloodshed.
With her first love that unfolded in the battlefield in her heart, and with a short sword and a pillbox as her weapons, female gambler Okatsu the Tiger Lily travels from gambling site to gambling site. Surrounding her are Omon, an outlaw star blind lone gambler; Onaka, a thief who’s after Okatsu to avenge her father’s death; Ohide, a tattoo artist whose back is covered by a dragon tattoo; and Oryu, a young girl sold as a prostitute to a gambling family.
Fujiko wanders aimlessly through the country, seeking vengence on the man she onced loved, who betrayed her, and destroying her family and her life. When she discovers that man had already died, she loses her will to live. But in a twist of fate, she meets Tatsumi, a raising star in the Horikawa Family. She quickly falls in love with him and his yakuza lifstyle. But when Tatsumi is chosen to but the next Boss of the family, his jealous sworn brother Morito kills him with the help of a mysterious man behind the scenes. Now Fujiko becomes a Bakuto, a wandering yakuza gambler, and once again, walks the bloody path of vengence...
