Synopsis: In 1911, Vernon Castle, minor stage comic meets stage-struck Irene Foote. A few misadventures later, they're married. They abandon comedy to attempt a dancing career, which lands them in Paris without a sou. Fortunately, agent Maggie Sutton hears them rehearse and starts them on their brilliant career as the world's foremost ballroom dancers. But at the height of their fame, World War I begins...