A college professor wants to bring the joys of sex to his frigid wife. He convinces his son in law to sleep with her because the idea arouses him, while also making him insanely jealous. The professor keeps a journal of his fantasies in a locked cupboard and hopes that his wife will find the key and read it.
Kingoro Tamai moves with his wife and son to the port city of Wakamatsu. He organizes the Tamai-gumi, a stevedore group, to vie for work with two other powerful groups. Gingo is Tamai's chief rival who falls in love with the latter's wife and tries to kill Tamai.
Two women are ferried to a small prison colony on the remote and barren prison island, where they and their fellow inmates are forced to perform perilous slave labor along the island’s treacherous cliffs, overseen by both an unforgiving sun and a crew of abusive male wardens. Meanwhile, the arrival of a newcomer among the island’s administrators, a disgraced policeman who is also the son of Nagasaki’s governor, creates dissension between the officials that, along with an untimely outbreak of bubonic plague on the island, ultimately sets the stage for a daring escape attempt on the part of the prisoners.
This film focuses on Okatsu; the adopted daughter of a master swordsman. She is a master with a sword herself and her talents far overshadow that of her brother, and real child of the man who adopted her. Her brother unfortunately has a gambling habit, and it plunges the family into trouble when he loses a lot of money in a crooked dice game. After releasing he is unable to pay the debt he owes; the blame is shouldered by the father, who is killed, leading Okatsu on a path of revenge.
In the late 1950's prostitution was banned in Japan and if a woman was found exercising this profession they were sent to a reformatory. This is a story of one of these brave women Kuniko who is released from the reformatory and tries to build a new life.
