Synopsis

While on patrol, Quinnan disregards a desperate plea for assistance from an enigmatic opera singer. Later, he is consumed by regret, dismissing several cries for help as he attempts to locate her. Meanwhile, Holmes is occupied with a personal matter: Brownlow has been asked by a local judge to investigate a series of threatening letters directed his way. It soon becomes clear to both men that they are pursuing the same elusive criminal. A new arrival at Sun Hill, Detective Constable Duncan Lenno