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Robert Wagner and Stephanie Powers are Jonathan and Jennifer Hart, a pair of wealthy amateur sleuths in Hart To Hart. As a self-made millionaire and head of Hart Industries, Jonathan Hart (Wagner) would seem to have it all. He and and his beautiful wife Jennifer (Powers), a former freelance journalist, are able to live the high life. However, their inquisitiveness and love for hard work still keeps the Harts active and busy. And as amateur sleuths, they seem to always be finding themselves on the brink - or right in the middle - of danger. Their fabulous wealth makes it easy for the Harts to travel far and wide, sometimes just for pleasure and sometimes on a case. From London, Paris and Athens, to Hawaii, Mexico and Asia, to New York, Chicago and Los Angeles, Jonathan and Jennifer - along with their trusty, gravelly-voiced butler, cook and chauffeur, Max (played by Lionel Stander) - always seem to be where the action is. A lovely - and loving - couple, the Harts never lose faith in each other as they take on the tough cases that they always seem to find...or that find them!