The tyrant Gedren seeks the total power in a world of barbarism. She raids the city Hablac and kills the keeper of a talisman that gives her great power. Red Sonja, sister of the keeper, sets out with her magic sword to overthrow Gedren. The talisman's master Kalidor follows to protect her. Of course they fall in love - however Red Sonja's power bases on the oath to never give herself to any man...