Under Suspicion

A murderous gang of mysterious creepy killers mark a young heiress for death. They are led by a ghostly voice known only as the "The Mystery Mind."

The wife of attorney John Blair (T. Jerome Lawler), heroine Helene (Kalich) finds herself in an untenable position when two of Blair's clients, Harry Carson (Robert Rendel)) and Richard Tremaine (Eugene Ormonde), both fall in love with her.

Fernande marries a man and schemes to get his wealth when his expected death occurs. But he dies before he can change his will. She next tries to kill the son who inherits, but he outfoxes her.

Vamp Anne Baxte marries for money but when her old suitor marries for love and is happy, she becomes insanely jealous. Determined to ruin his life, first she tempts the wife with a lounge lizard. This doesn't work, so she temps her former sweetheart by offering him her husband's business secrets. Unfortunately Ann's husband (George M. Adams) overhears the conversation and not only does he ruin the young man in the stock market, he also tosses Ann out of the house. The film ends bitterly for all concerned.

During the Franco-Prussian War, Jean Renyea wins the love of Helene, thus incurring the enmity of Pierre, her hunchbacked suitor.

Ruth Merrill and her father both are serving prison terms but her's is lighter and she is released. She becomes the wife of the wealthy Dr. Richard Boulton, who knows nothing of her past. Ruth's father escapes from prison and the unscrupulous detective, the same one who sent both to prison while knowing Ruth was innocent, is sent on Merrill's trail. A lost film.

Mary Ames is caught while planning to elope, and locked in a room by Aunt Letitia. Her sister, Geraldine, plans to help her, and goes to her friend the police commissioner to borrow a criminal. Paul, the commissioner's nephew, sees her, and loses his heart. He decides to pose as the criminal to be near her.

Henry Everett is confined to an insane asylum when he refuses to sacrifice his invention to a powerful rubber trust. Richard Trevor, the son of trust magnate Silas Trevor, becomes involved with Henry and his sister Edith, when he mistakenly picks up a baggage claim check meant for the detective Edith has hired to help her brother. After a series of daring adventures, Richard, acting as the detective, secures freedom and financial recompense for Henry, and the affections of Edith for himself.

Lillian’s affluent parents raised Identical cousins Janet & Lillian Ford. Lillian marries Sir Anthony Jessop and settles in England. Jessop soon tires of Lillian's frivolity but loves their son Bobby. Under the pretense of visiting her dying father, Lillian travels to America, followed by her lover, Raymond Fleury, and they travel West together after she persuades Janet to impersonate her at Ford's deathbed. When Janet learns that Bobby has been hurt, she sails to England and cares for him. After Jessop's uncle dies, he returns as the Earl of Devon, and grows to love Janet, who he thinks is Lillian. Hearing of Jessop's good fortune, Lillian returns. After Fleury pursues and shoots her, Jessop proposes to Janet that they quietly marry and keep their past secret.

Although laborer Joe Mercer loves factory girl Katinka Jenkins, she agrees to become the mistress of Lindsay, the mill owner, in order to escape dire poverty and cruel parents. Katinka sends Lindsay's money to her family, but eventually, he finds himself unable to pay his employees, and only under Joe's influence are the men prevented from striking. Reformer John Strong, who loves Katinka's sister Olivia, visits Katinka to request that she cease her disgraceful dance performances, but he soon submits to her charms and is passionately embracing her when Olivia enters the room. Katinka then learns of the situation at the mill and realizes that the compromise of her honor has ruined more lives than her own.

Deserted by her husband, John Madison, because he incorrectly accuses her of having an affair, Mary Madison goes to her aunt's house to have her baby, and then loses her memory in a train wreck. John, however, hears that she has died, so he takes possession of their infant daughter.

Judge Randolph Legarde becomes a dual personality when he is kicked in the head by a horse.

Free and easy Garrett Cope loves Katherine Gresham, but his rival, Henry Miller, who is really Heinrich Mueller, a World War I German spy, gets rid of Garrett by having him arrested for the murder of Pembroke Van Tuyl. While Garrett is in prison, Katherine marries Mueller, but Sidney Dundas, knowing that the German actually committed the crime, finally confesses, and Garrett is freed. Meanwhile, Mueller takes Katherine to a remote island called No Man's Land, which he uses as a base for blowing up Allied ships.

Kate Clarke and her brother, Joe, are alone in the world. Kate learns of her brother's connection with a counterfeiter's gang only when the police invade their rooms to arrest Joe. After a desperate struggle, Joe escapes, but Kate is seriously injured by an accidental blow. She recovers, but the memory of her past is gone. Kate wanders away to the city and becomes a cabaret dancer.