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When Blanche Warren (Irene Rich) finds out that her sister, Adele (Ora Carew), is about to marry the notorious Hugh Sainsbury (Alan Hale), she and Adele's sweetheart, Chester Thomas (William Scott), rush to the sanitarium where Sainsbury works. Blanche arrives first and the next morning Sainsbury is found murdered. A deaf patient claims that she saw Blanche commit the crime, and she is arrested. A blind patient arrives who heard the murder being committed and when he hears Blanche's voice, he says she is not the killer. When a nurse comes in and speaks, the blind man points her out as the guilty party. The nurse confesses that Sainsbury had betrayed her, and that is why she murdered him. Adele apologizes to Thomas and they are reunited. Blanche is freed and she is able to be with her own sweetheart, Harland Day (Ramsey Wallace).