In the 1942 film "This Gun For Hire," he was only a supporting actor. But his portrayal of a cold, ruthless killer with a core of gentle sadness had an impact on audiences everywhere. Teamed with diminutive Veronica Lake, he became an immediately saleable commodity, and in the process helped launch the age of film noir. By 1954, Photoplay Magazine voted him the world's most popular male film star; his fellow award-winner was Marilyn Monroe. But Alan Ladd's fabulous success already contained within it the mechanism to self-destruct.

A young, unmarried theatrical couple befriend an out-of-work housekeeper and introduce her to another new acquaintance, a man of means, unaware that he is married and going through a messy divorce.

After shooting a man in self-defense, Buck Duane finds himself accused of many crimes, none of which he committed. In order to prove his innocence, he joins the Texas Rangers, and also hopes to win the approval and hand of Mary Aldridge, a girl from the East. He is assigned to round up a gang of cattle rustlers who are, unknown by Mary. led by her father.