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Duds Synopsis

Returning from the war front, Captain Phoebe Plunkett accepts an assignment to apprehend jewel smugglers in pursuit of the Sultana diamond. On his mission, he meets Patricia Melton, who introduces herself as a French Secret Service agent also in search of the diamond. Plunkett is in love with Olga Karakoff, daughter of a wealthy jeweler, and he soon comes to suspect that Olga's father is in league with the smugglers. However, Patricia is the true impostor, and after she discovers that the jewel is encased in a locket worn around Olga's neck, she captures Olga and the diamond. Plunkett comes to the rescue and wins both Olga and a large reward for recovering the jewel.

Thin Ice Synopsis

When Alice Winton's brother embezzles funds belonging to his employer, Benjamin Graves, a promoter of worthless mining stock, she saves him from arrest by signing over to Graves a hefty promissory note. Later Graves deliberately wrecks the mining company in which Alice's invalid father has invested his money, and the shock from the resulting bankruptcy, kills him. Alice marries Robert Burton, a noted criminologist who believes in the theory, "once a thief, always a thief," and the couple takes up temporary residence with District Attorney Jeffrey Miller. In Miller's safe are incriminating documents concerning Graves's illegal activities, and Graves, knowing of their existence, blackmails Alice into stealing them by showing her some compromising love letters to which he has forged her name. As Alice robs the safe, Ned, who has been arrested for larceny and is now being tested by the reform-minded district attorney, discovers her. After Ned hears of Graves's misdeeds, the burglar alarm sounds, and he and Alice are spotted. Casting suspicion on himself, Ned vows revenge on Graves and flees. Fearful, Alice goes to Graves's apartment, finds him dead just as the police arrive, and is implicated in the crime. At that moment, Rose La Vere, Graves's jilted lover, staggers in and, before dying from self-inflicted poison, confesses to the murder, thus clearing both Alice and her brother.