The services of Detective Lyons are engaged by a prominent railroad to stop, if possible, the dynamiting outrages that have followed unfair demands, resulting in destroying several of the company's bridges. During the interview between the president and Lyons, a note comes mysteriously to their presence, warning the Company to come to immediate terms or expect further disaster. Manifesting their sincerity of purpose by stating that the round house will be blown up at twelve o'clock. Lyons glances hurriedly at his watch, which registers twelve. A moment later the explosion is heard and the round house is seen in ruins. They hurriedly enter an auto and are driven to the scene of the calamity, where Lyons carefully examines the structure of a remnant from the infernal machine. Mack, the dynamiter, is seen to enter his room and tell his companion tool of his success. A later notice, received in a mysterious way, demands that the president's wife use her influence with her husband on ...
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