Frisco Jenny is a 1932 American PreCode drama film starring Ruth Chatterton and Louis Calhern, and directed by William A. Wellman.
After three years, she tries to take her son back, but the boy clings to the only mother he can remember, so she leaves him where he is. He grows up and goes to Stanford University, where he becomes a football star, graduates with honors, and becomes first a lawyer, then an assistant district attorney. Jenny lovingly follows his progress. Meanwhile, she takes over the vice and bootlegging in the city.When Dan runs for district attorney, his opponent is Tom Ford an uncredited Edwin Maxwell, who does Jennys bidding. Against her best interests, she frames Ford so that Dan can win. When Steve tries to bribe Dan to free some of his men, he is arrested. Out on bail, Steve asks Jenny to blackmail Dan into dropping the charges, but she refuses to jeopardize her sons future. In fact, she intends to retire to France with Amah. When Steve threatens to reveal that Jenny is Dans real mother, she shoots and kills him at Dans office. ........
Source: Wikipedia