On April 9, 1940, a surprise invasion by Nazi Germany forces Olav and Märtha, the prince and princess of Norway, to escape.
After escaping to London, the king and crown prince make plans for royal princess Martha and the children to board a boat to America from Finland.
Bombs fall in London on Olav and the king, and Roosevelt sends an exclusive greeting to Martha and her children.
The president's relationship puts pressure on Martha to take advantage of it. An unexpected Christmas gift is given to Martha and the kids.
Martha helps Norway by using strategies she discusses over dinner. Later, Martha receives unconventional public speaking training from the first lady.
Olav comes from England as America joins the war. Olav and Missy begin to have doubts about the relationship between Roosevelt and Martha.
The kids are in danger when a Nazi spy manages to get through. A surprise awaits Martha when she goes to England. An unfortunate thing happens to a Norwegian war hero.
Olav makes an effort to avoid coming into contact with the Soviet Union, and Roosevelt's health deteriorates.