Convicted of murder, Masayuki Ueda is sent to Hiroshima Prison along with his accomplice. But for a man like him, breaking out of prison is easy.

A salaryman living alone in a small apartment is visited by complete strangers, a large family with grown-up sons and a daughter, who take over his apartment and his life. They use his money and he has to wait on them as their servant. They even steal his girlfriend. Although they behave very dictatorially, everything is decided "democratically" by the majority.

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.

Shozo Hirono has managed to separate from the Yamamori family and create his own small family, and extend his circle of acquaintances. These new friendships include a powerful underboss of the Muraoka family, Noboru Uchimoto.

As Japan gears up for the 1964 Olympic games, the cops start to crack down on the gangs, under pressure from the public and the press, adding a new dimension in the war for power among the yakuza families of Hiroshima.

After spending eight years in prison for murder, Hiroshi leaves his yakuza family to start a new life as a labor racketeer.

It is about the life of Ueshiba - the founder of aikido. We can see how he decided to develop aikido and how he did it. We can see why he developed aikido and where he has learned martial arts.

The story of a young girl's first love is told from the heroine's point of view. Surrounded by various people, she finally begins to awaken to her own feelings as a woman.

While Hirono is in prison, his rival Takeda turns his own crime organization into a political party, whose two executives stir up new tensions in their thirst for power.