The Notorious Sophie Lang (movie, 1934)

After an extended stay in England, Sophie Lang returns to America. She is beautiful, sophisticated--and a notorious jewel thief. A New York police detective who's been trying to nail her finally comes up with what seems a foolproof scheme--to catch her off guard by having her fall for a handsome and suave jewel thief who happens to be in the U.S. traveling under an assumed name.