A barkeeper saves a Yakuza boss' life and thus makes his way up in the organization. However, his fear of nothing soon causes problems.
After his daughter Mai is killed in an auto accident, a genius programmer recreates her in the form of a computer program called AI. His jealous brother-in-law, wanting to get his hands on the technology for profit, sends his client to steal it and Mai’s father is killed in the process. Learning of her capture, Mai’s old friends race to free AI from her captors so that she won’t fall into the corporate clutches that threaten to erase her soul.
Small-time con man Jiro makes his living tricking small businesses out of large sums of money. In the process he acquires a helpmate Kumiko, a refugee from her stepfather's sexual abuse. But things start to get out of control when yakuza boss Kamewada muscles in on the action.
When an innocent young country girl falls for a low level yakuza, she enters a completely different world in which the line between good and evil are quickly blurred. Through great ups and downs their love will be tested, but the ultimate test lies in whether or not they will survive the downward pull of the lifestyle they have chosen.
After spending over half his life in prison, ex-hitman Kunihiro is determined to go straight. But the shortcomings of the new gangs mean that he is soon having to call on his old-school yakuza talents. And when he falls for Asako, a beautiful piano player, she unknowingly ignites a fire within Kuni that will immolate everything and everybody around him. Regarded by many as his masterpiece, Onibi has all the hallmarks of a Mochizuki film, with the gangster elements tightly compressed and controlled to allow space in which a subdued romance can bloom. Coming from a background in porno cinema, this master of sexual relations injects a fresh passion and tension into the macho world of the yakuza film.
After serving ten years due to a drug-induced assassination of a rival gang boss, Tachibana enters a world that's nothing like it was when he went in. Once a respected and feared Yakuza mastermind, he now must try and adapt within the confines of the new generations vision of honor. As he still garners a somewhat decent amount of respect he just tries to get by. Hooking up with a prostitute he's been in passing by with he begins to feel some sense of comfort. Upon stumbling across her being beaten down by her pimp, Tachibana can't just sit by and do nothing. So he commences in putting down an old school Yakuza ass whipping, thus beginning a showdown with the 'now' boss, Sato.
There are men in this world who seem to have been born to be a villain. His upbringing, his sexuality, everything about him was suited to being in the criminal world. However, he also had a loving wife and children. This is the story of a man who throws himself into a deadly struggle on the front lines of a huge violent war, while at the same time seeking the happiness of his family as a good husband and father.