George's partner in vaudeville quits their act, claiming that Betty has broken his heart. George then teams up with Charlie, a stranded trouper, and Irving becomes their manager.
Alex St. George, a young RFC pilot, is anxious about fighting in the First World War. He is comforted by sensitive shop assistant Kitty, and the two fall in love, marrying before Alex is sent to the front.
Walter has invented an automatic remote-control for his jalopy. When a potential buyer comes to look it over, Walter proudly shows how he cam the car stop and go, turn corners and steer correctly.
Based on a story by Michel Linsky, "Adieu, Mascotte" revolves around an artist's model named Mascotte (Harvey) who ekes out a hand-to-mouth existence in the Parisian art colony.
An impression of the state of the world in 1929, contrasting similarities and differences in religion, customs, art and entertainment from all over the world.