Racecar-driver Lou Larrigan gets mixed up with a crooked gang of racetrack promoters, and is in love with Ruth Morgan, whose father is marked as a victim by the gang.
Amos and Andy trying to make a go of their "open-air" taxi business while they get caught up in a society hassle, involving driving musicians to a fancy party.
When lifelong best friends Leo and Ulrich return home after completing their military training, Leo meets the stunning Felicitas at a railway station and is mesmerized by her beauty. A scandal follows, for which Leo is sent away. Returning home three years later, he discovers that much has changed.