After his defeat of the Chaos Lord Arioch, Prince Corum has little time to rest. His actions have angered Arioch's sister, Xiombarg, known as the Queen of the Swords.

The Prince in the Scarlet Robe must fight on, facing the formidable Mabden armies, and taking on the might of the Queen of the Swords herself. Faced with immense powers of evil on all sides, Corum must reach the City of the Pyramid. But first he will encounter nightmarish creatures, unsettling sorcery, and uncanny new planes of existence.