While out to avoid spending time with her narcissistic and promiscuous mother, sixteen-year-old Jo has a brief affair that leaves her pregnant and abandoned. When her mother remarries, Jo's only support becomes her friend Geoffrey, a homosexual.

A nameless ronin, or samurai with no master, enters a small village in feudal Japan where two rival businessmen are struggling for control of the local gambling trade. Taking the name Sanjuro Kuwabatake, the ronin convinces both silk merchant Tazaemon and sake merchant Tokuemon to hire him as a personal bodyguard, then artfully sets in motion a full-scale gang war between the two ambitious and unscrupulous men.

Fascinated with women from an early age, Yonosuke had his first sexual encounter at the age of seven. From that day on, he recklessly and forwardly pursues women, feeding his fascination and experience. As Yonosuke's salacious behavior brings much cause for shame to the family, his father eventually breaks relations with him. Expelled from the family, 19-year-old Yonosuke embarks on a pilgrimage of lust, traveling far and wide to acquaint himself with women of all walks.