The Lone Wolfs Daughter (1929)

Michael Lanyard a reformed cracksman adopts Adrienne the daughter of an old friend and goes to Southampton to attend a party celebrating her engagement to Bobby Crenshaw the son of a wealthy society couple The Count and Countess Polinac international jewel thieves also attend the party and Count Polinac forces Lanyard to open the safe containing the jewelry of the guests by threatening to expose Lanyards criminal past Lanyard forestalls the count however and protects the valuables The count and countess are arrested and Michaels secret is kept safe