<p> Even the great detective Hercule Poirot harbored a deep and abiding fear of the dentist, so it was with some trepidation that he arrived at the celebrated Dr. Morley?s surgery for a dental examination. But what neither of them knew was that only hours later Poirot would be back to examine the dentist, found dead in his own surgery. </p> <p> Turning to the other patients for answers, Poirot finds other, darker, questions.? </p>