Marceau Léonetti, a competent and energetic officer stops by chance the son of an influential lawyer driving under the influence of alcohol. A few months later, the lawyer falsely accuses Léonetti as being violent and incompetent. As a result Marceau is transferred to a small police station, where he meets young and beautiful Jeanne. Soon they are faced with a tough investigation.
Doctor James Leland is a successful doctor engaged to nurse Marion Nord. Working late one night he discovers his assistant stealing the supply of cocaine. The doctor is knocked unconscious and his body is dump assuming, incorrectly, that the good doctor is dead.
Harold Lamb is so excited about going to college that he has been working to earn spending money, practicing college yells, and learning a special way of introducing himself that he saw in a movie. When he arrives at Tate University, he soon becomes the target of practical jokes and ridicule. With the help of his one real friend Peggy, he resolves to make every possible effort to become popular.
A young fellow, down in the dumps after a belle breaks his heart, believes his father is setting up staged escapades and dangers in an attempt to get him out of his rut. His father isn't, and the dangers-- a cadre of hoods, car chases, a death ray-- are real!
