A misguided scientist enables an alien from Venus named Zontar to come to earth in order to "help solve man's problems". However, as soon as Zontar arrives on Earth, it quickly becomes obvious that the three-eyed, bat-winged, skeletal black creature has a hidden agenda.

Official Shogunate executioner Ogami Itto has been framed for disloyalty to the Shogunate by the Yagyu clan, against whom he now is waging a one-man war, along with his infant son, Daigoro.

The wealthy president of a company has built up an unpayable debt to a local crime lord, and to escape punishment he sells his famous dancer wife to the lecherous old man figuring a 90 year old can’t do too much bad with her. Perhaps not, but others can while he watches. She’s put on stage in an underground BDSM sex show and begins a s...

Ogami Itto volunteers to be tortured by Yakuza in order to save a prostitute and is hired by their leader to kill an evil chamberlain.

Ogami Itto is hired to kill a tattooed female assassin and battles Retsudo, head of the Yagyu clan, and his son Gunbei.