The Mysterious Lady

An attractive Russian spy seduces an Austrian officer in order to get some important plans, but when she actually falls in love with him, both of them are placed in a dangerous situation.

The Mysterious Lady is a 1928 drama romance movie directed by Fred Niblo, starring Greta Garbo, Gustav von Seyffertitz, Conrad Nagel. It holds an IMDb rating of 7.2/10 from 1,542 votes and runs 1h 36m.