Professor Harding has disappeared, a scientist who had been working on a new type of explosive. The ruthless spies who kidnapped him may have beaten the scientist beyond his mental endurance. There’s still hope for our villians, when they realize there’s another professor in town who knows just as much.
Will Doctor Waldon be so easily lured away from the company of Lamonte Cranston? After the doc disappears as well, Lamonte has psychic flashes that make him worry, and he gets a mental image of the ship where the scientists are being held captive. Lamonte and Margot race to the ship, the Star of Zeeland.
Can the Shadow keep another great mind from being tortured into a mental basket case? A battle of hypnotic mind control begins. The Shadow seems to have walked into a steel trap, but I think the spy has given too little credit to the powers of the Shadow. Acting on the Shadow’s orders, Margot Lane is to contact the police. Will the powers of the mind, and telepathy save the day? Murder is in store for the Shadow if he can’t overcome Richter, the spy, and make his get away.