A girl from the wrong side of the tracks is torn between true love and a life of sin.
A psychiatrist's patient, a nutty heiress, travels west to find gold in her grandfather's abandoned mine. The psychiatrist, unable to talk her out of it, decides to follow her out there.
Starting with a cruel joke – a couple of callow men make a bet that one of them can seduce the woman sharing their train compartment – the film charts the relationship that develops between a small-town girl in the big city, and the brother of the man who has heartlessly seduced and abandoned her.