A gangster has a professor killed to obtain an explosive he has developed. The explosive is then planted in light bulbs all over the city, leaving chaos and terror in their wake.
Lamont looks into what he believes is a connection between a passport forgery ring and the supposed suicide of a broker linked to a recent stock swindle.
A man who was accidentally hit by Shrevie's cab appears to be a bit out of joint with time, as he seems to think it is a day later than it actually is and tells of crimes he says he read about which end up happening later. Lamont is more inclined to believe that he knows of them because he is in on them rather than possession of any psychic abilities.
A friend of Lamont's is alarmed when a strange man breaks in and attempts to strangle a servant, leaving behind a note that possibly refers to his shady past.
A skeptic broker is told by a mystic that he willl die shortly and the prediction comes true. During a seance, he starts to reveal to the Shadow who the killer was but he is shot by one of the participants before he can do so.
An anarchist with genuine psychic powers who has been using them as a stage magician learns the identity of the Shadow during a performance Lamont and Margot are attending.
There is trouble and death on the new bridge as men hear voices and die immediately after. Lamont gets a job on the bridge and is apparently the next to die.
When Lamont decides to look into the disappearance of a gangster associated with a political boss, the boss dies rather suddenly of allegedly pneumonia.
A gorilla is stolen from a zoo. As they take a cab ride, Lamonte and Margot learn all the details of the theft from the cabbie. Later Lamonte hears of…