The criminal fraternity is about to breathe an huge sigh of relief. "Lord Peter Wimsey" (Robert Montgomery) and his crime-writing fiancée "Harriet" (Constance Cummings) are to marry - and to hang up their magnifying glasses. That is, until they arrive at their new/her old home and first thing they discover after he has carried her over the threshold is - a body! It belongs to "Noakes" from whom "Lord Peter" bought the property and soon they must work with old friend "Insp. Kirk" (Leslie Banks) to identify the killer - and boy, are there a few suspects who loathed the unpopular old fellow. The r...