Thomas Covenant returns to the Land after a ten-year absence, only to find the realm ravaged by a corrupting force known as the Sunbane. Covenant, now accompanied by the physician Linden Avery, must navigate a world that has been fundamentally altered by the passage of time and the machinations of Lord Foul. He faces the physical toll of his own leprosy and the psychological burden of his previous actions, while opposing forces seek to exploit his unique connection to the Land's power. The narrative utilizes a third-person limited perspective to track their progress across a landscape defined by ecological decay and shifting magical laws.

This work is often analyzed for its departure from traditional heroic tropes, favoring a darker and more introspective approach to the fantasy genre. The narrative is noted for its dense prose and the uncompromising nature of its protagonist, which frequently divides reader opinion. Critics often highlight the author's commitment to exploring themes of guilt and existential despair within a secondary world. The book remains a significant entry in the series, recognized for its expansion of the Land's lore and the introduction of new, complex dynamics between the characters.