The sprawling, decaying castle of Gormenghast serves as the stage for a power struggle between the entrenched, ritual-bound aristocracy and the ambitious, manipulative Steerpike. Titus Groan, the heir to the earldom, struggles to define his identity against the suffocating weight of ancient traditions and the crumbling architecture of his ancestral home. Opposing him is Steerpike, a kitchen boy turned schemer who exploits the rigid social hierarchy to ascend through the castle's ranks. The narrative unfolds through a dense, descriptive framework that emphasizes the physical isolation and psychological stagnation of the inhabitants within the labyrinthine stone walls.

Discussion often centers on the unique, painterly quality of Peake's prose, which prioritizes atmosphere and character depth over traditional plot momentum. Readers frequently highlight the immersive, almost oppressive sense of place that defines the castle of Gormenghast as a living entity. Critics often compare the work to other mid-century literary landmarks, noting its departure from standard genre conventions in favor of a more experimental, gothic sensibility. The balance between the slow, deliberate pacing and the intense, often bizarre character interactions remains a frequent point of analysis for those examining the evolution of fantasy literature.