In 1932, a cop is killed and Frank Wiecek sentenced to life. Eleven years later, a newspaper ad by Frank's mother leads Chicago reporter P.J. O'Neal to look into the case. For some time, O'Neal continues to believe Frank guilty. But when he starts to change his mind, he meets increased resistance from authorities unwilling to be proved wrong.

Betty Forrester, a college flirt who is determined to attract Harvey Porter, the school coach, starts playing around to make him jealous. Her roommate, Doris Marlowe, is a naive girl who falls madly in love with Tom, a sophisticated playboy who leads Doris on until he tires of her. At this point Doris pleads with Tom to love her, but he refuses. Betty, afraid for Doris' welfare, tries to save her from Tom by falsely attracting him to herself. Doris, crestfallen, leaves them and accidentally tumbles into an elevator shaft and dies. Harvey is furiously jealous and determines never to see Betty again until he learns the real reason for her actions with Tom; then he asks her to marry him.