Episode aired Feb 7, 1961br Stars: Kenneth Haigh • Audrey Dalton • Alan Napier • Alan Cailloubr On the Welsh Border, an old man suspected of witchcraft is gruesomely murdered with a hay-fork and bill-hook. The Scotland Yard inspector investigating has to wade through a morass of superstition to uncover the killer, but when his wife starts having visions of the Black Dog, harbinger of death, the locals focus their suspicions on her.