Nancy Croyden, born of British nobility, languishes in the slums of New York after she elopes with Terrence Flynn, a groom on her father's estate. Nancy dies there, leaving behind a daughter, Susan Flynn, who grows to adulthood in the Bowery. In search of her family, Susan returns to England where she befriends Sir Bevis Neville, an English peer in disguise.

Elsie Green cannot decide which of her two suitors to marry. When she reads Nathaniel Hawthorne's short story "Feathertop", she dreams that she is its heroine Polly Goodkin, and this leads to her final decision.

Mary Lynde (Theda Bara) is an innocent girl who has grown up in New York's Greenwich Village. One of the artists there, Felix Benavente (Sidney Mason), uses her as model when he paints a portrait of the Madonna for a church. His friend Robert Sinclair (Hugh Thompson) corrupts Mary so that her father (Walter Law) casts her from his home. She goes to live with Sinclair in his mountain lodge, but after the birth of a child, he callously casts her aside. Subsequently, her baby dies and she sinks to the depths of despair.

Mr. Norton discovers his wife in the arms of his neighbor, Captain Roberts, a married man. His first maddened impulse is to kill his faithless wife, but on his way for the gun his little child runs to his arms to say good-night. The incident unnerves him and his wild determination is destroyed. He decides upon another course. He goes to Mrs. Roberts and tells her that he intends to ruin the Captain's home as her husband had ruined his, and that unless she consents to elope with him at ten o'clock that night he will shoot her husband on sight.

Wealthy Richard Covington, although aging and lonely, distresses his children, Waverly and Beatrice, by marrying a heartless seductress named Fay Hope. Because Fay's extravagant spending threatens to ruin Richard, Beatrice confronts her, which prompts Richard, who is hopelessly in love with the beautiful vampire, to order his daughter from the house.

Edward Thursfield, chief engineer of the bridge building firm of Henry Killick and Company, is building the largest concrete bridge in the world. Employed in the New York office is a young man named Arnold Faringay. Arnold sees an opportunity of using money from the payroll for a big deal.

A German spy who is married to Lillian, the sister of Rosie O'Grady.

A schoolteacher in the Yukon promises her hand in marriage to a rich prospector, but instead she marries his no-good brother. After her husband disappears and is reported dead, she marries a rich New York stockbroker, but doesn't tell him about her first marriage. Soon she is contacted by someone who threatens to tell her new husband all about her past if she doesn't pay up.

A tomboy, raised by a father who wanted a son, runs away from boarding school and gets a job at a firm.