lisetta (1933)

a wealthy and bachelor gentleman falls in love with a pretty flower girl and gives her a precious diamond that will make all those who approach the girl believe she is rich. since she has talent, she makes her debut in the variety theater, becoming a diva; the rich young man, however, makes the mistake of putting a sort of detective under his wing, in order to monitor her. when the rich man asks for the return of the jewel and also to marry him, the girl makes him understand that it is too late, not for the diamond, but for her heart, engaged with the one who followed her.