I Was an Adventuress (1940)

Andre Desormeaux, master con artist and jewel thief, has been very successful with his partners, light-fingered Polo and beautiful lure "Countess" Tanya Vronsky. But Tanya falls in love with one of their victims, resigns from the team, and (despite Andre's warning) marries rich young Paul Vernay...for love. Inevitably, Andre and Polo reappear in her life. Can Tanya outwit the master schemer?