This crime drama series is based on the character created in the writings of Gladys Mitchell. Diana Rigg stars as the stylish lady sleuth Mrs Adela Bradley, who solves mysteries with her loyal chauffeur, George Moody, played by Neil Dudgeon. On the road in a Roll Royce, the glamorous socialite and her assistant use their investigative skills to uncover family secrets, discover motives and reveal culprits. Aided by her attuned observational talents, Mrs Bradley never fails to catch the criminal behind every mystery she faces.