In June 1939, President Franklin Delano Roosevelt and his wife, Eleanor, host the King and Queen of England for a weekend at the Roosevelt home at Hyde Park on Hudson in upstate New York in the first-ever visit of a reigning English monarch to America. With Britain facing imminent war with Germany, the Royals are desperately looking to FDR for support. But international affairs must be juggled with the complexities of FDR's domestic establishment, as wife, mother and mistresses all conspire to make the royal weekend an unforgettable one.