Lirael, a young woman lacking the prophetic Sight of her people, must confront an ancient, encroaching evil that threatens the stability of the Old Kingdom. Isolated within the icy confines of the Clayr's Glacier, Lirael struggles with her identity and the absence of her family's defining magical gift. When a malevolent force begins to obscure the future and undermine the boundary between the living and the dead, she is thrust into a perilous quest. Accompanied by a mysterious, talking creature known as the Disreputable Dog, she navigates a world governed by complex necromantic laws and ancient bloodlines. The narrative follows her internal and external search for purpose as she attempts to thwart an adversary that seeks to dismantle the kingdom's magical foundations.

This work is characterized by its expansion of the established Old Kingdom lore, shifting the focus from the established royal line to the scholarly and prophetic traditions of the Clayr. The narrative structure emphasizes the slow accumulation of knowledge and the gradual unveiling of Lirael's true heritage. Readers often note the distinct tone of the magic system, which relies on specific, ritualistic mechanics rather than vague supernatural occurrences. The presence of the Disreputable Dog serves as a central anchor for the protagonist's development, providing both levity and essential guidance throughout the mission. The text maintains a consistent atmosphere of encroaching dread, effectively building upon the foundations laid in the previous installment.