Miss Susan is a daytime drama which aired on NBC from March 12 to December 28, 1951. The show, originating from Philadelphia and later retitled Martinsville, U.S.A., aired for fifteen minutes at 3:00 p.m. ET on weekdays. The main writer was William Kendall Clarke.

Mobster Louis "The King" Koster believes that his wife and sole heir is unfaithful. He hires a hit man to kill her for twenty thousand dollars. The hit-man agrees, but he then shoots Koster dead. The hit-man was Marian's lover. Since she will inherit everything, the hit-man decided to go with the better bargain.