Walter Johnson, a young mechanic, has invented an automobile attachment that will revolutionize the trade. Williams, for whom he works, is desirous of purchasing it, but his superintendent prevails upon him to allow the idea to be stolen, then discharge Johnson. Slawery has so enmeshed himself in Williams' affairs that the latter can hardly call his soul his own. Williams' daughter is in love with Johnson and overhears the plot to steal the invention and on Slawery's exit, upbraids her father for listening to such a scheme. She sees Johnson and tells him of the plot. Johnson the next day is discharged, and Slawery hires a sailor to steal the blueprints of the invention. Admanson, the sailor, then starts to blackmail Slawery. telling him that he will reveal all if he is not well paid. Slawery defies him, so Admanson tries to regain the blueprints from Williams' house. Williams hears someone breaking in his library and confronts Admanson, and in the subsequent struggle Williams is ...
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