Jenkins, a club man, has a humorous experience that should be a very strong temperance lecture in pantomime. He is returning from a night of it with convivial companions when he meets a party discussing the woes of the down-trodden laboring classes. Jenkins has taken on a talking jag and he waxes eloquent, descanting on the subject. He has an anarchist for an auditor and as the crowd disperses the agitator takes the tipsy orator in tow and guides him to the rendezvous of his co-conspirators. They descend a flight of stairs with Jenkins blindfolded. The members of the gang appear masked and Jenkins is persuaded to take an oath which binds him to the tasks of righting wrongs. Lots are drawn and Jenkins takes out the fatal black cube and is given a bomb with clockwork attachment with the injunction to demolish a manufacturing plant. We see Jenkins tipsily wending his way homeward, lugging the infernal machine. He throws himself on the bed and awakens, thoroughly sobered, with the destroyer on his hands. He hears the ticking of the machinery and knows the hour or the explosion is fast approaching. He dashes out and endeavors to lose the machine, dodging into stores and shops. The infernal machine is invariably returned to the luckless agitator and in desperation, he drops it in a park where it is restored to him by an intelligent dog. Happy thought, he will employ the sagacity of the canine to extricate himself from the dilemma. He passes the stairway leading to the habitation of the anarchists and instructs the dog to deposit the bomb below. The dog does so and rejoins Jenkins and they make a run for it. The dynamite explodes, wrecking the surrounding territory, and Jenkins escapes with his clothing rent, but otherwise intact.