Kenichiro Sanada

A ronin desperately seeks a way out of financial straits; he allies with the Tosa clan under the ruthless leader Takechi, who quickly takes advantage.

The samurai Akiyama Daijiro is asked to help a young boy who tries to bring the man who murdered his father to justice. In the course of their quest they uncover a plot by one of the clan officials that could change the course of history.

Fujieda Baian is admired during the day as a skilled acupuncturist. However, at night, he is a highly skilled assassin, taking on contracts to quietly eliminate those whose existence is deemed toxic to society. Baian's latest target, assigned by his boss Otowa, is Shirakoya Kikuemon, the head of a powerful organization in Osaka. In the past, Baian had been indebted to Shirakoya, but due to a conflict involving the swordsman Kosugi Jūgorō, their relationship has turned adversarial. After his lover is abducted, Shirakoya storms into Edo. With his life now targeted, Baian resolves to confront Shirakoya in a desperate final showdown.

As a child, Okin the one-armed one-eyed swordswoman was disfigured by Lord Daizen-dayu, who was after her family's most treasured possession, the famed Drenched Swallow sword. As an adult, she has become a skilled swordswoman and lives a carefree life with her adopted family. One day, Okin saves a girl from a group of yakuza, and in doing so, gets involved in a grand conspiracy involving religious leaders, government officials, the yakuza and Lord Daizen-dayu, the man who killed her father and mutilated her body...

A criminal syndicate wants detective Onihei dead, but the resolute hero proves to be hard to kill.

Hasegawa is a chief police of big heart who leads a band of samurai police and cultivates reformed criminals as informants to solve difficult crimes.