Story Structure — 5 Plot Phases
Deaths Near the Radar
Unexplained deaths alarm the rural community, whose residents suspect radiation from the nearby installation. Cummings investigates as postmortems reveal the victims' missing brains and spinal cords.
Key Events
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Radar Station at Winthrop — An American Air Force radar installation conducts nuclear-power experiments near a farming village.
Location: Experimental Station No. 6, near Winthrop, Manitoba
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Unexplained Local Deaths — Deaths begin near the base, and villagers blame possible radiation from its experiments.
Location: Rural area near Winthrop
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Missing Brains Discovered — Postmortems reveal missing brains and spinal cords, with puncture marks at the skull base.
Location: Victims' postmortem examinations
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Cummings Begins Investigating — Cummings investigates the deaths and interviews local people for unusual clues. Characters: Major Jeff Cummings
Location: Winthrop and the area near the airbase
Walgate's Hidden Creation
Cummings becomes suspicious of Walgate and his thought-projection research. Walgate admits he created a living projection, which the base's experiments have empowered and made hostile.
Key Events
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Walgate Draws Suspicion — Cummings grows suspicious of Walgate, who is writing about telekinesis and thought projection. Characters: Major Jeff Cummings, Prof. R. E. Walgate
Location: Walgate's home near the airbase
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Walgate Confesses His Success — Walgate admits he developed his mental abilities and created a living thought projection. Characters: Major Jeff Cummings, Prof. R. E. Walgate
Location: Walgate's home
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Experiments Empower the Projection — The nearby experiments enhance Walgate's abilities and turn his projection into a hostile life form. Characters: Prof. R. E. Walgate
Location: Walgate's laboratory
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The Projection Escapes — The invisible projection escapes and attacks humans to create physical copies of itself. Characters: Prof. R. E. Walgate
Location: Walgate's laboratory
The Creatures Reveal Themselves
The creatures attack the base and seek control of its reactor. Raising the power makes them visible as mobile brain-and-spinal-cord forms.
Key Events
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Creatures Feed on the Base — The multiplying invisible creatures feed on the airbase's nuclear-generated power.
Location: Airbase and nearby area
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Base Personnel Attacked — The creatures attack military personnel and move to take control of the reactor.
Location: Airbase
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Creatures Become Visible — As two creatures raise the power to dangerous levels, the creatures become visible as brains with spinal cords and tendrils.
Location: Airbase
Siege and Final Sacrifice
The creatures attack Walgate's home, where defenders fight them with pistol shots. Walgate draws the creature away and is killed, while Cummings escapes toward the airbase.
Key Events
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Creatures Besiege Walgate's Home — The creatures enter through a window and fireplace while the principal characters gather inside. Characters: Major Jeff Cummings, Prof. R. E. Walgate
Location: Walgate's home
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Defenders Shoot the Creatures — Some defenders are killed, while well-aimed pistol shots destroy many attacking creatures. Characters: Major Jeff Cummings, Prof. R. E. Walgate
Location: Walgate's home
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Walgate Sacrifices Himself — Walgate leaves the house as a diversion and is killed by his creation. Characters: Prof. R. E. Walgate
Location: Outside Walgate's home
Power Cut and Dissolution
Cummings destroys the installation's power machinery, cutting off the creatures' energy supply. The survivors die and dissolve.
Key Events
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Cummings Destroys the Power Machinery — Cummings escapes through the back and blows up the machinery supplying the creatures' energy. Characters: Major Jeff Cummings
Location: Airbase
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Surviving Creatures Dissolve — Cut off from their energy source, the surviving creatures die and dissolve into puddles of goo. Characters: Major Jeff Cummings
Location: Airbase and surrounding area