It is early 1939 in Poland when Mrs. Bromley and Jennifer come to buy antiques for her business in London. Jennifer meets Count Stephen and they wine, dine and see the sights though out the city. He wishes to marry, but his family is against plain Jennifer. When she tries to leave, he catches her at the train station and they are married. To be self sufficient, they modernize the family farm with tractors and increase production, but then Germany starts the war.

American conductor John Meredith and his manager, Hank Higgins, go to Russia shortly before the Nazi invasion of the Soviet Union. Meredith falls in love with beautiful Soviet pianist Nadya Stepanova while they travel throughout the country on a 40-city tour. Along the way, they see happy, healthy, smiling, free Soviet citizens, blissfully living the Communist dream. This bliss is destroyed by the German invasion.

The film is about an unemployed banker, Henri Verdoux, and his sociopathic methods of attaining income. While being both loyal and competent in his work, Verdoux has been laid-off. To make money for his wife and child, he marries wealthy widows and then murders them. His crime spree eventually works against him when two particular widows break his normal routine.

Bob Sharkey, an instructor of would-be spies for the Allied Office of Strategic Services, becomes suspicious of one of the latest batch of students, Bill O'Connell, who is too good at espionage. His boss, Charles Gibson confirms that O'Connell is really a top German agent, but tells Sharkey to pass him, as they intend to feed the mole false information about the impending D-Day invasion.

Two newlyweds spy on the Nazis for the British Secret Service during their honeymoon in Europe.

Bandleader Kay Kyser takes his troupe of nutty musicians, goofball comics and pretty girl singers on a tour around the world to entertain the troops during World War II.