Vera's reunion with her first-ever sergeant, Stuart Macken, occurs under tragic circumstances when his house is petrol-bombed. Stuart is badly burned by the attack and his 18-year-old daughter Stella is left fighting for her life in intensive care. Vera is shocked to see that Stuart is a shadow of the man she knew 20 years before and, when her investigation uncovers unpleasant revelations about his personal life, she is faced with some long-buried memories of her own.