So why has he refused to become involved--even after anonymous hints of new evidence, even after a fresh murder? Sgt. Lewis's loyalty to his infuriating boss slowly turns to deep distress as his own investigations suggest that Mrs. Harrison was no stranger to Morse. Far from it. Never has Morse performed more brilliantly than in this final adventure, whose masterly twists and turns through the shadowy byways of passion grip us to the death. . .