When a marriage proposal appears imminent for the beautiful - if rebellious - Lady Rose Summer, her father wants to know if her suitor's intentions are honorable. He calls on Captain Harry Cathcart, the impoverished younger son of a baron, to do some intelligence work on the would-be fiancee, Sir Geoffrey Blandon.After his success in uncovering Geoffrey's dishonorable motives, Harry fashions a career out of "fixing" things for wealthy aristocrats...