Joe, a Marseilles docker, is hired by a wealthy English couple to find their missing son. When Joe finds him, he learns he escaped of his own will and takes him to stay with a local singer. They offer him a refuge from his repressed white parents.
A Colonel's daughter steals from the regimental mess funds to pay off her gambling debts. One of the officers, who is love with her, takes the blame, and is sent to Africa.
Ed Harwood, a wisecracking private investigator from New York, discovers a crime at an hotel in Nice during a carnival. The unraveling of the mystery which lies behind will lead him and Caryl Fenton, a female insurance agent, who will become his companion, first to Paris, then to London, later through the English countryside and finally to Southampton, in search of a criminal train wrecker.
A convicted killer escapes and seeks revenge on the jurors who put him in prison. He kills two of them and the rest end up hiding in the large home of another juror, an actor. It is the actor who saves them from the murderous fugitive.
A jeweler is targeted by confidence tricksters pretending to be connected with the exiled Russian Royal Family. He manages to turn the tables on them and after collecting the reward for their arrest, uses they money to buy some silver bracelets for his wife to celebrate their wedding anniversary.