Borrowed Finery(1925)

Dress model Sheila Conroy loses her job after ruining a gown she borrowed from her employer. Harlan, a criminal posing as a government agent, offers Sheila work as his assistant. She accepts for the sake of her brother-in-law, Billy, who embezzled money from his firm and is in danger of discovery. Her assignment is to obtain the necessary "evidence" on Mrs. Bordon, a wealthy widow who smuggled a valuable jewel into the country. Channing Maynard, a real government agent, reveals the truth to Sheila, and after they bring Harlan to justice, Channing takes Sheila for his bride.