Malgré les objections de sa mère, la jeune fille naïve d'un capitaine de bateau d'exposition est mise en vedette en tant que nouvelle femme de tête de l'entreprise.
Francis Ryan, living high-and-free-wheeling life as the wife of gangster "Smiley" Ryan, spends some time behind bars as a result of her husband's activities, and, when she gets out, realizes she has been a bad example for her kid-sister, Jennie White, and five of her friends. With the aid of her old boyfriend, she manages to divert them from their juvenile-delinquent path leading to disaster for each.
While participating in a contest at a local newspaper in which school children are asked to submit a news story, local attorney Carson Drew's daughter Nancy intercepts a real story assignment. She "covers" the inquest of the death of a woman who was poisoned. Nancy doesn't think the young woman accused of the crime is guilty and corrals her neighbor Ted into searching for a vital piece of evidence and stumbles onto the identity of the real killer.
Alors que le neveu du docteur John Pearly doit le rejoindre pour naviguer sur le Mississipi dans un vieux steamer, il est arrêté pour le meurtre d'un homme qui l’empêchait de partir avec Fleety Belle, dont il veut faire sa femme. Le jeune homme est condamné à la pendaison. Le docteur va alors tout tenter pour sauver son neveu.