 Jack Hardisty steals $100,000 from the bank where he works and asks his father-in-law, Dr. Blane, the chairman of the bank s board, to repay it and avoid a scandal. Meantime, Jack s wife Sue is having an affair with a neighbor, Philip Strague. While investigating matters, Paul Drake discovers Dr. Blane rifling Jack s home and Jack dead on the floor. Perry Mason demonstrates his knowledge of clocks in solving the case.