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.

A scientist is killed by a poison that induces laughter before death. But it is a mystery to the Shadow on how it was administered.

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, allegedly of 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 a known felon with an interest in the ape. A fortune teller becomes a player in the story.

What supernatural things may be in store? What criminal activity could a gorilla be needed for? Margot Lane soon finds herself captured, and it’s up to the Shadow to get her free, and solve this mystery.

A philanthropist Senator is on trial for the seeming absurd charge of accepting a bribe from a deceased gangster. But the case becomes unexpectedly solid when the prosecution presents some motion picture evidence of the alleged incident.

A spy has been torturing a scientist to tell him the formula of a new explosive, but instead causes his mind to snap. So he kidnaps a fellow countryman psychiatrist Lamont just met and demands that he repair the mental damage done.

When a nosy neighbor becomes curious about the strange incidents that go on at the house next door, she sends her son over to investigate. He soon discovers a parallel universe within its walls and solves the mystery.