In the immediate aftermath of World War II, two U.S. Army officers stationed in Frankfurt uncover the German Crown Jewels in a castle formerly owned by the royal family. But when the two lovers plot to smuggle the gems back into the U.S., their plans are quickly complicated by military investigations and a vicious mob kingpin. Now, if they can just stay loyal to one another until the heat blows over they'll both be rich beyond their wildest dreams.