The Unpardonable Sin

When Arthur Gilpin, a black night watchman, finds young Myrtle Gunsaulus mysteriously murdered in the basement of a factory, he is charged with the crime. The film is now believed to be lost.

Myrtle Downing, an African-American woman, is coerced into marrying a corrupt would-be politician named Gyp Lassiter, even though she is really in love with Stephen Cameron, a young lawyer. When she discovers that her husband has conspired to support segregationist policies in exchange for support by white political power brokers, she objects to his crooked dealings and gets herself imprisoned in a secret dungeon where her husband had murdered his previous wives. Presumed to be a lost film.

Nell Bradley, the daughter of a wealthy bootlegger, who is encouraged to improve herself through education by Reverend Charles Alden.

Maryland Warren is kidnapped by a group of Yaqui Indians, and taken across the border to Mexico. In rescuing her, Robert Carr proves both his bravery and his loyalty to the United States.

A fortune-hunting follies star Gloria Dawn ( Olive Thomas ), begins to question her engagement to wealthy Peter Shaw after meeting an amnesiac young man who stumbles into her apartment one night. The doctor instructs that he not be moved, so Gloria nurses the stranger back to health, although his memory fails to return. Gloria falls in love with her patient and, upon discovering that he is millionaire sportsman Jerry O'Farrell, rushes home to restore his identity, only to find that he has gone. Amnesia continues to plague Jerry, and he soon forgets both Gloria's name and address. While he is attending a show at the follies, a fire breaks out, and Gloria, recognizing her lover in the audience, rushes to save him. Meanwhile, Shaw, who has discovered Gloria's feelings for Jerry, accosts her. Jerry, who has finally regained his memory, intercedes and rescues Gloria, and the two fall in love.