Despite rumors of impending war, the majestic ship Normandie makes its transatlantic voyage from Washington, D.C., to France. Aboard is beautiful, American-born Liane De Villiers, devoted to her husband, the French ambassador to Washington, D.C., and her two daughters. She meets Nick Burnham, an American Steel magnate, a kind man trapped in a loveless marriage. Their passion remains unacknowledged. But when the outbreak of World War II forces Liane to Flee Paris, she and Nick meet again - and pledge a love that can no longer be denied.