Five university students are transported from contemporary Toronto to the magical realm of Fionavar, where they are thrust into a primordial struggle against an ancient, malevolent god. Summoned by the mage Loren Silvercloak, the protagonists must navigate the intricate political and supernatural landscape of the First of all Worlds. As they integrate into this foreign society, each individual discovers unique roles and hidden destinies that align with the escalating conflict against Rakoth Maugrim. The narrative utilizes a third-person perspective to track the disparate paths of the five companions as they confront the physical and moral demands of a world on the brink of collapse.

This work is widely recognized as a foundational entry in the epic fantasy genre, noted for its lyrical prose and ambitious world-building. Readers often highlight the author's ability to weave modern sensibilities into a traditional high-fantasy framework, creating a distinct contrast between the two worlds. The narrative is frequently praised for its emotional resonance and the depth of its character development as the protagonists grapple with their roles in a larger cosmic struggle. While the story draws on established genre conventions, it is regarded for its earnest tone and the complexity of its thematic exploration of good and evil. The book remains a significant touchstone for those interested in the evolution of modern epic fantasy literature.