Whilst Napoleon is conquering Europe, "Becky" (Miriam Hopkins) is doing a bit of that for herself. Determined to improve on her lot as the daughter of a family of travelling performers, she uses each gullible man she meets as a stepping stone to the next. She doesn't care about any of the collateral baggage she leaves behind - including her soldier husband "Crawley" (Alan Mowbray) but maybe she finally meets her match in the wealthy "Marquis of Steyn" (Sir Cedric Hardwicke) who has seen her game playing before, and - well he's just a lot better at it than she. It's also, just as she sees the…