Her Honor the Mayor (1920)

When Julia Kennedy is elected mayor over the male-chauvinist opposition of District Attorney Frank Stanton and ward boss Jerry McGrath, she further incurs their consternation by befriending unwed mother Minnie Scott. McGrath decides to blackmail Julia by threatening to reveal that her nephew Buddy's father, John Martin, is an embezzler. Julia forestalls his scheme when she discovers that McGrath himself has served time for the embezzlement of public funds. After vanquishing McGrath's opposition, Julia conquers Stanton's reservations when he falls in love with her honor the mayor.