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Cathy falls in love with the widowed father of one of her oldest friends. Little does she know that her current amour, a prominent shipbuilder, is at the center of a scheme to control all British ship manufacturing -- and he's not above murder to achieve his goal. This time around, John Steed must not only thwart the villain, but also convince Cathy to follow her head rather than her heart. Written by Fred R. DeKoven, "Six Hands Across a Table" was originally telecast in England on March 16, 1963; it was first shown in America on March 1, 1991.