As WWII begins, vaudeville entertainer Tommy Towers is called up to serve. He arranges a job for his girlfriend at the local pub. To keep moral up, his commanding officer orders him to perform for the troops.
Londoners prepare for war.
Set just before the outbreak of WWII, this is the story of a test pilot who works for the (unnamed) enemy. Made in 1939, by the time it was released in 1940, war had been declared.