The Sin of Olga Brandt is a 1915 American silent drama film directed by Joe De Grasse and featuring Lon Chaney and Pauline Bush.
[4] A still exists showing Lon Chaney as Stephen Leslie, trying to intimidate Olga Brandt (see plot).
The lawyer turns out to be Stephen Leslie, who sees Olga and threatens to expose her past transgressions if she does not move back into his home and be his mistress once again.
Olga plans to run away from both men this time and leaves a written confession for Reverend John to find, but on her way out of town, she chances to enter the theatre where the film is playing.
She returns home where the Reverend John has already read her confession, but remembering the moral of the picture, he forgives Olga and embraces her.
-- Moving Picture World[6] "A delicate story handled in a manner which will not offend by Joseph De Grasse's company headed by Pauline Bush, Lon Chaney and William Dowlan.