As the Tudor dynasty teeters on the brink of collapse in 1553, a young seer named Hannah Green finds herself thrust into the lethal center of the English court. Hannah, a refugee fleeing the Spanish Inquisition, possesses the dangerous gift of foresight, which makes her a valuable asset to the ambitious Robert Dudley. Her primary objective is to monitor the movements of Princess Mary, the overlooked heir to the throne, while navigating the volatile power struggle between Mary and her half-sister, Elizabeth. The narrative unfolds through Hannah's perspective, capturing the claustrophobic tension of a court defined by shifting loyalties and the constant threat of execution.

Critics and readers frequently highlight Gregory's ability to blend meticulous historical research with compelling, character-driven drama. The novel is often praised for its vivid reconstruction of the Tudor era, particularly the sensory details of court life and the complex psychological portraits of its female protagonists. Many readers appreciate how the author centers the narrative on an unconventional observer, which provides a fresh angle on well-documented historical events. The consensus suggests that the book succeeds in maintaining high stakes and narrative momentum, making the political machinations of the sixteenth century feel immediate and personal.