Kiku Nakakawa, the only daughter of an old kimono shop owner in Kyoto, is enthusiastic about karate. To help her friend Michi avenge her brother, she sneaks into a movie studio in Kyoto where a drug dealing syndicate is based.

Joji Kano is a loose cannon cop from backwoods Okinawa, sent to Tokyo to investigate the grizzly murder of an Okinawa woman. As he probes deeper into the sleazy world of flesh-peddling, talent agency corruption and mob influence, Kano uncovers the shocking truth.

Kiba Okaminosuke finds himself entangled with a group of prisoners being transported to their executions, one of whom oddly looks exactly like his dead father. There are crooked gold miners, a beautiful girl who is unfortunately a complete lunatic and a dojo master who is obsessed with killing Kiba just to prove that his school's sword style is the best.

When a lucrative waterfront development becomes available, the Kawade gang quickly use their political connections to secure the land. However, the acting boss of the Ohara gang also has his eyes on the property and recruits crooked detective Tokumatsu Kuno to help him hijack the deal. With relations between the rival gangs at breaking point, it's not long before all-out war breaks out as the gangsters, police and local politicians battle for control of the city.

Martial artist Takuma Tsurugi returns to take on a Yakuza family that may be embezzling money from charities to finance their own operations. Both the police and the Yakuza find themselves battling Tsurugi, but Tsurugi's fight ultimately is with the mob, and he concentrates on them.

Set in the icy wilderness of Hokkaido during the early days of the Meiji era, where the brutal warden of Kabato Prison terrorizes convicts sentenced to forced labor to build the roads needed to open up the territory.

Nathan Algren is an American hired to instruct the Japanese army in the ways of modern warfare, which finds him learning to respect the samurai and the honorable principles that rule them. Pressed to destroy the samurai's way of life in the name of modernization and open trade, Algren decides to become an ultimate warrior himself and to fight for their right to exist.