The fragile peace of 13th-century England is shattered by the return of a disgraced knight, forcing him to confront the betrayals and unresolved conflicts that led to his exile. Simon de Montfort, Earl of Leicester, finds himself drawn back into the turbulent political landscape of England after years of self-imposed exile. His objective is to reclaim his honor and protect his family's legacy, but he is opposed by the machims of King Henry III and the lingering resentments of those he wronged. The narrative unfolds against the backdrop of a kingdom teetering on the brink of civil war, with Simon navigating a treacherous path where loyalty is suspect and alliances are fleeting.

The novel is lauded for its meticulous historical detail and immersive portrayal of 13th-century England. Readers frequently praise Penman's ability to bring complex historical figures to life, particularly Simon de Montfort, presenting him with depth and nuance. The intricate plotting and exploration of political intrigue are often highlighted as strengths, drawing readers into the turbulent era. The book is recognized for its rich character development and its capacity to make historical events feel immediate and personal.