Academy Award winner Jeremy Irons (Reversal of Fortune, The French Lieutenant's Woman) stars in this sweeping adaptation of Dava Sobel's sweeping adaptation of Dava Sobel's best-selling book which tells a time spanning parallel story of high seas adventure and political intrigue in the race to discover the life-or-death secret of... LONGITUDE.Determined to stop shipping losses on the oceans of the 18th century, Britain's Parliament offers an unprecedented cash award to anyone who can devise a way to determine longitude at sea. Convinced he can solve the problem that has defeated England's best minds, rural clock maker John Harrison (Michael Gambon) begins an obsessive, 40-year struggle to claim the Longitude prize with his ingenious marine clock. Meanwhile, 200 years in the future, naval officer Rupert Gould (Jeremy Irons) stumbles across harrison's forgotten chronometers. A veteran of the Great War, Gould sets out to bring some measure of order to his own shell-shocked life by devoting himself to restoring Harrison's long-neglected mechanical masterpieces.Interwoven in an epic tale spaning two centuries, LONGITUDE is a lavishly produced voyage into the farthest reaches of human passion, perseverance, and discovery.