A formidable assassin is charged by a warden to infiltrate a women's prison to kill the one that took his eye with a knife carved from a spoon: a woman known within the prison walls as The Scorpion.

Okawa Hashizo is 'Red Peony' Hanji who is thrown into a prison cell where he gets involved in a plot to steal government gold from the Shogun's vault. A tough fighter, he has to show his ability in order to keep from getting himself killed by the prisoners, too. Co-starring some of the biggest name in movies at the time, including Kataoka Chiezo and Tanba Tetsuro this film is loaded with surprises. From the opening moments when prisoners carry out their own form of justice, killing a crooked ex-constable, it is clear that this is the work of a visionary filmmaker.

A policewoman investigates the apparent suicide of a college coed. The prime suspects include the girl's professor, who may have been having an affair with her, and the professor's wife, who frequents lesbian bars. Gruesome axe murders and mutilations ensue, leading Yokoyama to a shocking discovery.

A young female samurai comes upon a dying messenger and agrees to deliver the scroll he was carrying to its destination. However, unbeknownst to her, the scroll is actually a formula for a new kind of gunpowder. An evil clan that is planning to overthrow the Emperor is also after the scroll, and they try to take it from her.

Yuri Ebara is inexplicably laid off, abandoned by her closest friend, and is suddenly asked to move out of her apartment. As she nears rock bottom, she begins to suspect someone is out to drive her insane, or worse.