Something happened to Claire and Jo in Black Wood: something that left Claire paralysed and Jo with deep mental scars. But with Claire suffering memory loss, nobody believes Jo's story. Twenty-three years later, a familiar face walks into the bookshop where Jo works, dredging up painful memories and rekindling her desire for vengeance. Meanwhile, Sergeant Davie Gray is investigating a man who is attacking women near the village of Banktoun. But what is the connection between Jo's visitor and the masked man? To catch the assailant, and to give Jo her long-awaited justice, Gray must unravel a web of past secrets, broken friendship and tainted love. But can he crack the case before Jo finds herself with blood on her hands?