Story Structure — 5 Plot Phases
The Shuttle Falls Silent
The Nautilus prepares to return to Earth while Rod Kendrick encourages pilot Steve Thomas. A cold anomaly, impact, meteor field, and alien spores cause the shuttle to lose contact and crash.
Key Events
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Nautilus Orbits Florida — The privately funded shuttle prepares to return to Earth. Characters: Rod Kendrick, Steve Thomas
Location: Orbit above central Florida
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Rod Encourages Steve — Rod encourages Steve and claims the mission may challenge NASA. Characters: Rod Kendrick, Steve Thomas
Location: Nautilus radio channel
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Dangerous Cold Begins — Steve reports that the spacecraft is becoming dangerously cold. Characters: Steve Thomas
Location: Nautilus cockpit
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Impact Interrupts Transmission — A sudden impact and alarms interrupt the radio transmission. Characters: Steve Thomas
Location: Nautilus in orbit
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Meteor Field Encounter — Ground control observes the shuttle entering an unexplained meteor field. Characters: Steve Thomas
Location: Orbit above Florida
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Spores Infest Shuttle — Strange spores clog the engines and disable life support. Characters: Steve Thomas
Location: Nautilus interior
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Nautilus Loses Contact — The shuttle loses contact before crashing into the Florida swamp. Characters: Steve Thomas
Location: Orbit above Florida
Suspicion in the Swamp
Kim Masters and Frank Norris enter the Florida swamp with companions while seeking guidance about a suspected burial site. Tom Hanning challenges their explanation and demands to know their real purpose.
Key Events
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Expedition Enters Swamp — Kim and Frank arrive with companions seeking guidance to a suspected burial site. Characters: Kim Masters, Frank Norris, Tom Hanning, Tom Hanning
Location: Florida swamp
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Tom Challenges Their Story — Tom distrusts the archaeological explanation and demands the truth. Characters: Kim Masters, Frank Norris, Tom Hanning
Location: Florida swamp
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Burial Mound Doubted — Tom argues that the area was already swamp during the Spanish arrival. Characters: Tom Hanning, Frank Norris
Location: Florida swamp
The Living Wreckage
The expedition discovers the Nautilus wreckage covered by a spreading mold-like substance. Frank determines that the spores are unknown, corrosive, and capable of causing severe tissue changes.
Key Events
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Wreckage Discovered — The group discovers the crashed Nautilus in the swamp. Characters: Kim Masters, Frank Norris, Tom Hanning, Jack Reese, Carlson, Denning
Location: Florida swamp wreckage
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Mold Covers Cockpit — A thick mold-like substance covers the cockpit and spreads outward. Characters: Kim Masters, Frank Norris, Jack Reese, Carlson, Denning
Location: Nautilus cockpit
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Spores Defy Biology — Frank determines that the spores are unlike any known life form. Characters: Frank Norris, Kim Masters
Location: Swamp wreckage
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Substance Causes Tissue Damage — The substance causes severe tissue changes, produces acid, and continues spreading. Characters: Frank Norris, Kim Masters, Jack Reese
Location: Florida swamp
Attack Among the Spores
A hostile creature attacks the expedition, seriously injuring or killing Carlson and Denning and assaulting Jack Reese. The survivors burn contaminated clothing and attempt to treat the wounded.
Key Events
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Expedition Comes Under Attack — A hostile creature attacks the expedition, injuring Jack and the others. Characters: Jack Reese, Carlson, Denning, Frank Norris
Location: Florida swamp
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Carlson and Denning Fall — Carlson and Denning are seriously injured or killed during the attack. Characters: Carlson, Denning, Frank Norris, Jack Reese
Location: Florida swamp
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Contaminated Clothing Burned — The survivors burn contaminated clothing and attempt to treat the wounded. Characters: Kim Masters, Frank Norris, Jack Reese
Location: Swamp survivors' camp
The Human Trace
Frank examines a tentacle recovered from Carlson and finds human DNA and anemia. The survivors suspect a connection to missing pilot Steve Thomas and realize that the spores may possess guiding intelligence.
Key Events
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Tentacle Recovered — Frank recovers a tentacle from Carlson's body for examination. Characters: Frank Norris, Carlson
Location: Swamp survivors' camp
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Human DNA Detected — The tentacle contains human DNA and shows signs of anemia. Characters: Frank Norris, Carlson, Steve Thomas
Location: Swamp testing area
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Steve Connection Suspected — The survivors suspect the creature may be connected to missing pilot Steve Thomas. Characters: Frank Norris, Kim Masters, Jack Reese, Steve Thomas
Location: Swamp survivors' camp
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Spores Show Intelligence — The survivors realize that the spores may possess a guiding intelligence. Characters: Kim Masters, Frank Norris, Jack Reese
Location: Florida swamp
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Outcome Remains Unknown — The supplied plot ends before the survivors stop the spread or escape. Characters: Kim Masters, Frank Norris, Jack Reese
Location: Florida swamp
On its way back to Earth, the space shuttle Nautilus passes through a cloud of alien spores causing its sole occupant, astronaut Steve Thomas to transform into a blood-thirsty monster. The shuttle crashes into a swampy region of central Florida, creating a situation which threatens contagion and/or death to all who encounter the shuttle or its mutated pilot.