The strange cries which come from the Jardine house cause Worth, a neighbor, to notify the police. Lila is sent to investigate. Posing as a book agent, she enters the place. Dr. Jardine, however, sees through her ruse. He explains to the girl that he is conducting some important experiments in vivisection and that the noises heard by Worth are made by the animals he uses in the experiments. Dissatisfied, Lila departs. That night, a cordon of police is drawn about the house. The watchers see an auto drive up. Two attendants carry a man from the machine to the house. Quietly making her way to one of the windows, Lila peers into the room. She sees a patient struggling in the grasp of a burly attendant. The latter succeeds in subduing the victim, who is placed upon an operating table. Dr. Jardine discovers Lila's presence. He neatly brings about her capture and the girl is brought into the house. Lila then learns that Jardine intends to sever the right arm from the man who lies on the ...
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