 Charley asks for his girlfriend s hand in marriage, but her father, the police chief, angrily refuses to allow her to marry anyone who is not himself a policeman. Charley then decides to join the police force, so that he can win her. But when he applies, he is rejected because he is too small. Charley doesn t give up, and he soon thinks of a way to avoid the size restriction - but simply joining the force is only the first challenge that he has to face.