Story Structure — 6 Plot Phases
A Stolen Research Subject
Teri trains Virgil in sign language but loses him when her research grant is not renewed. Virgil is secretly transferred to an Air Force base for a classified project.
Key Events
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Virgil Learns Sign Language — Teri trains Virgil to communicate through sign language during her university research. Characters: Teri Macdonald, Virgil
Location: University of Wisconsin
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Research Grant Ends — When Teri's National Science Foundation grant is not renewed, she must sell Virgil. Characters: Teri Macdonald, Virgil
Location: University of Wisconsin
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Virgil Is Secretly Transferred — Virgil is taken to an Air Force base, while Teri is told he went to the Houston Zoo. Characters: Teri Macdonald, Virgil
Location: Transfer facility
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Jimmy Joins Project — Jimmy is assigned to the chimpanzee flight-simulation project and begins working with Virgil. Characters: Jimmy Garrett, Virgil
Location: Lockridge Air Force Base
The Deadly Flight Project
Jimmy joins the chimpanzee program and forms a bond with Virgil. He discovers that the successful subjects will be exposed to lethal radiation.
Key Events
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Jimmy Discovers Communication — Jimmy discovers that Virgil has been taught sign language, deepening their bond. Characters: Jimmy Garrett, Virgil
Location: Chimpanzee project area
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Lethal Experiment Revealed — Jimmy learns that successful chimpanzees will receive a lethal radiation pulse after reaching simulator proficiency. Characters: Jimmy Garrett, Virgil, Dr. Carroll
Location: Flight simulation facility
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Jimmy Contacts Teri — Jimmy contacts Teri and tells her that Virgil is at the base and faces imminent death. Characters: Jimmy Garrett, Teri Macdonald
Location: Air Force base communications area
Truth Against Authority
Jimmy contacts Teri and brings her to the base. Their challenge to Dr. Carroll exposes the ethical and scientific problems in the experiment.
Key Events
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Teri Arrives At Base — Teri comes to the base after Jimmy explains the deception and Virgil's urgent danger. Characters: Jimmy Garrett, Teri Macdonald
Location: Lockridge Air Force Base
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The Project Is Challenged — Jimmy argues that chimpanzees cannot represent a human pilot aware of certain death in a second-strike mission. Characters: Jimmy Garrett, Teri Macdonald, Dr. Carroll
Location: Air Force project facility
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Carroll Threatens Jimmy — Enraged by Jimmy's criticism, Dr. Carroll promises to end Jimmy's military career. Characters: Jimmy Garrett, Dr. Carroll
Location: Air Force project facility
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Chimpanzees Unlock Cages — The chimpanzees unlock their cages and stack crates and boxes toward the vivarium skylight. Characters: Jimmy Garrett, Teri Macdonald, Virgil, Dr. Carroll
Location: Vivarium
The Vivarium Breakout
The chimpanzees escape their cages and attempt to break through the skylight. Carroll loses control as the animals spread through the base.
Key Events
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Virgil Reaches Skylight — Virgil climbs to the top of the stack and tries to break the skylight with a crowbar. Characters: Teri Macdonald, Virgil
Location: Vivarium
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Teri Calms Virgil — Teri sees Virgil above the stack and uses communication to convince him to come down. Characters: Teri Macdonald, Virgil
Location: Vivarium
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Carroll Loses Control — Dr. Carroll attempts to control the loose chimpanzees, but the authorities are forced to flee. Characters: Teri Macdonald, Virgil, Dr. Carroll
Location: Vivarium
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Escape Reaches Flight Chamber — Escaped chimpanzees cause havoc across the base while three reach the flight chamber. Characters: Jimmy Garrett, Teri Macdonald, Virgil
Location: Flight chamber
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Flight Chamber Is Destroyed — The chimpanzees wreck the simulator and short the reactor wall control panel. Characters: Jimmy Garrett, Teri Macdonald, Virgil
Location: Flight chamber
Radiation And Sacrifice
The escape reaches the flight chamber and damages the reactor controls. Jimmy and Virgil prevent a possible meltdown, but Goliath dies from radiation exposure.
Key Events
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Goliath Is Trapped — Jimmy escapes with two chimpanzees, but Goliath remains as the reactor generates a radiation blast. Characters: Jimmy Garrett, Virgil
Location: Flight chamber
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Reactor Is Unblocked — Jimmy and Virgil convince Goliath to remove the fire extinguisher blocking the reactor, preventing a possible meltdown. Characters: Jimmy Garrett, Virgil
Location: Flight chamber
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Goliath Dies — Goliath later dies from radiation exposure caused by the reactor incident. Characters: Jimmy Garrett, Virgil
Location: Flight chamber
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Plane Escape Attempt — Jimmy and Teri steal a military plane to help the chimpanzees escape but are stopped by military police. Characters: Jimmy Garrett, Teri Macdonald
Location: Air Force base runway
Freedom In The Everglades
Jimmy and Teri attempt to use a military plane, but Virgil ultimately pilots it away with the chimpanzees. After the crash, Teri signs that they are free.
Key Events
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Plane Escape Attempt — Jimmy and Teri steal a military plane to help the chimpanzees escape but are stopped by military police. Characters: Jimmy Garrett, Teri Macdonald
Location: Air Force base runway
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Virgil Pilots The Plane — While Jimmy and Teri are held by police, Virgil pilots the plane and the chimpanzees fly away. Characters: Jimmy Garrett, Teri Macdonald, Virgil
Location: Air Force base runway
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Crash In Everglades — The chimpanzees crash in the nearby Everglades and evade the search. Characters: Jimmy Garrett, Teri Macdonald, Virgil
Location: Everglades
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Virgil Is Declared Free — Teri signs to Virgil that he and the others are free, and the chimpanzees disappear into the Everglades. Characters: Jimmy Garrett, Teri Macdonald, Virgil
Location: Everglades bush