Norwegian Crown Princess Martha and her husband Prince Olav visit U.S. President Franklin Roosevelt in 1939. A year later they must flee the Nazi invasion of their country.

Martha and her children take refuge in Sweden, but a Nazi threat still looms.

Martha is pressured to exploit her friendship with the president.

Martha uses dinner-table tactics to help Norway. The president gets on dangerous ground.

As America enters the war, people grow suspicious of Martha’s ties to the president.

A Nazi agent slips through the cracks. Martha travels to England and gets a shock.

The president’s health takes a bad turn. Olav faces rocky relations with Martha.