My Lady's Latchkey

My Lady's Latchkey (1921) is a mystery directed by Edwin Carewe rated 10.0/10.

Young Annesley Grayle, weary of a gloomy, uneventful existence with her aunt, accepts the proposal of a young American that she pose as his wife. Later, they are actually married. When, at a ball, she hears her husband accused of stealing a valuable diamond and realizes that he is indeed a thief, she hides the jewel to save him.