It's Always Fair Weather

During the Nazi occupation of Poland, an acting troupe becomes embroiled in a Polish soldier's efforts to track down a German spy.

Petty con artists Slicker Smith and Herbie Brown mistakenly join the Army evading the cops. The cop chasing them winds up as their drill instructor. A rich young man and his former working class chauffeur are not only in the same unit, they're vying for a pretty girl who seems attracted to both.

The Marx Brothers help young Broadway hopefuls when they get mixed up with gangsters due to a tin of sardines containing Romanoff diamonds.

Two talented song-and-dance men team up after the war to become one of the hottest acts in show business. In time they befriend and become romantically involved with the beautiful Haynes sisters who comprise a sister act.