Haunted by her sister’s disappearance, a troubled woman becomes consumed by past secrets in this gripping thriller from the New York Times bestselling author of The Vanishing Year.When Hannah Maloney’s aunt dies in a car accident, she returns to her family’s castle in the Catskills and the epicenter of a childhood trauma: her sister’s unsolved disappearance. It’s been seventeen years, and though desperate to start a new life with her fiancé, Hannah is compelled to question the events of her last summer at Brackenhill.When a human bone is found near the estate, Hannah is convinced it belongs to her long-lost sister. She launches her own investigation into that magical summer that ended in a nightmare.