A war correspondent who was stationed in Paris during WW II married a French girl who was murdered by the Nazis. After the war he returns to to try to find his son, whom he lost during a bombing raid but has been told is living in an orphanage in Paris.

Successful and well-liked, Dr. Noah Praetorius becomes the victim of a witchhunt at the hands of Professor Elwell, who disdains Praetorius's unorthodox medical views and also questions his relationship with the mysterious, ever-present Mr. Shunderson.

When a German art dealer living in the US returns to his native country he finds himself attracted to Nazi propaganda.

Ambassador Joseph Davies is sent by FDR to Russia to learn about the Soviet system and returns to America as an advocate of Stalinism.