When the take-down of a violent criminal goes badly wrong, something doesn't feel right to Detective Sergeant Maddy Birch. And her uneasiness is compounded by her belief that someone is following her home. Retired Detective Inspector Frank Elder's daughter, Katherine, is running wild. Elder's fears for his daughter are underscored by guilt - it was his involvement in a case that led directly to the abduction and rape which has so unbalanced Katherine's life. Persuaded out of retirement, Elder reopens a cold case which could have devastating repercussions for the crime squad itself. Elder's investigations take place against the backdrop of his increasing concern for his daughter. He must battle his own demons before he can uncover the truth.