When the dead body of building contractor H.H. Donaldson is found in the parking lot during a basketball game, felines Mrs. Murphy and Pewter, along with Tee Tucker the Corgi, know just what will happen next. Mary Minor "Harry" Haristeen can't help but try to solve the puzzle. Who could be the killer? Is it a mistress, an archrival, or Donaldson's ailing wife? Soon Harry can't trust anyone. Leave it to Mrs. Murphy and her gang to lead Harry right to the missing piece.