In a world where the living is bordered by the realm of the dead, a young woman named Sabriel inherits the role of Abhorsen from her father, tasked with keeping the dead at bay and maintaining the balance between life and death. Raised in a boarding school away from the magical Old Kingdom, she must quickly master the art of necromancy and wield the power of the Charter—a set of magical symbols—to navigate through perilous lands and confront a powerful evil that threatens to overwhelm the world of the living. Along her journey, Sabriel is aided by a mysterious cat-like creature and a young man ensnared by a powerful spell, as she seeks to fulfill her destiny and restore harmony to her fractured world.

This novel follows the story of fifteen-year-old Reason Cansino, who has spent her life on the run with her mother, Sarafina, from their family in Australia. They are fleeing from Reason's grandmother, Esmeralda, whom Sarafina claims is a witch. However, after Sarafina succumbs to madness, Reason is sent to live with Esmeralda in Sydney. Here, Reason discovers a shocking truth: magic is real, and her family is deeply entwined with it. As she navigates this new world, she learns that using magic comes with a grave cost, and she must make a choice between embracing her magical heritage or facing dire consequences. The story is a compelling blend of contemporary life and fantastical elements, exploring themes of family, identity, and the heavy price of power.