The king and crown prince retreat to London and arrange for crown princess Martha and the children to take a boat from Finland to the United States.

Martha is pressured to exploit her friendship with the president. Roosevelt defies isolationists to push the Lend-Lease act. Martha and the children get a surprise Christmas present.

Martha uses dinner-table tactics to help Norway. The first lady gives Martha unusual lessons in public speaking. The president gets on dangerous ground with Martha.

America enters the war, and Olav arrives from England. Missy grows suspicious of ties between Roosevelt and Martha, as does Olav. Meanwhile, a dastardly Nazi plot unfolds.

A Nazi agent slips through the cracks, putting the children at risk. Martha travels to England and gets a shock. A Norwegian war hero meets a tragic fate.

Roosevelts health declines and Olav tries to stay out of the Soviet sphere of influence.