After his employer is taken ill, Hyson takes advantage by putting himself in complete charge at the office. Always on the lookout for financial gain or female conquest, his controlling behavior both at work and at home ends only with his death. But was it suicide or murder? Sir Clinton Driffield must untangle this puzzle, with the further complication that another criminal seems to be on the loose. A poison-pen writer has been targeting the community, warranting attention from an investigator with the Post Office. This challenging case will capture the interest of any golden-age mystery enthusiast and delight the J. J. Connington fan.