Story Structure — 5 Plot Phases
The Laboratory Recruitment
Stoner sells a mysterious creature and hires David as his assistant. He presents the laboratory as a place of scientific work while concealing his real intentions.
Key Events
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Creature in a Crate — Stoner sells a mysterious crated creature to a carnival owner. Characters: Dr. Carl Stoner
Location: Carnival grounds
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A New Assistant — Stoner hires college student David as his laboratory assistant. Characters: Dr. Carl Stoner, David Blake
Location: Stoner's laboratory
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The First Injection — Stoner begins injecting David under the pretense of snake-bite protection. Characters: Dr. Carl Stoner, David Blake
Location: Laboratory
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Skin Begins Peeling — David's skin changes and begins peeling like snakeskin. Characters: David Blake, Dr. Carl Stoner
Location: Laboratory
The Body Begins Changing
Stoner administers injections that cause David's skin to peel and his health to deteriorate. Nightmares and a coma reveal that the experiment is becoming dangerous.
Key Events
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Disturbing Nightmares — David experiences strange nightmares as the injections affect him. Characters: David Blake
Location: David's room
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Dinner Coma — David falls into a coma while having dinner with Stoner. Characters: Dr. Carl Stoner, David Blake
Location: Dining room
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Days Unconscious — David remains unconscious for several days before waking. Characters: David Blake, Dr. Carl Stoner
Location: Stoner's house
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False Medical Explanation — Stoner explains David's weight loss as a venom side effect. Characters: Dr. Carl Stoner, David Blake
Location: Stoner's house
Love Against Obsession
David begins a romance connected to Stoner's family, while Stoner continues to control his treatment. David awakens green and scaled, making the transformation impossible to dismiss.
Key Events
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False Medical Explanation — Stoner explains David's weight loss as a venom side effect. Characters: Dr. Carl Stoner, David Blake
Location: Stoner's house
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Romance Begins — David begins a romance with Stoner's daughter, provoking Stoner's objections. Characters: David Blake, Dr. Carl Stoner
Location: Stoner's property
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Green and Scaled — David wakes green and covered with scales, then receives another injection. Characters: David Blake, Dr. Carl Stoner
Location: Bedroom
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Grant Rejection — A colleague informs Stoner that his research grant extension is denied. Characters: Dr. Carl Stoner
Location: Laboratory
Secrets Behind the Property
A colleague questions Stoner after the research grant is denied and investigates the property. David is exposed, and Stoner responds with lethal violence.
Key Events
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Suspicious Inspection — The colleague becomes suspicious and inspects the property. Characters: Dr. Carl Stoner
Location: Stoner's property
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David Revealed — David reaches a window, allowing the investigating colleague to see him. Characters: Dr. Carl Stoner, David Blake
Location: Stoner's property
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The Python Feeding — Stoner knocks out the colleague and feeds him to a python. Characters: Dr. Carl Stoner
Location: Laboratory
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David Collapses — David collapses as Stoner's experiment continues to overwhelm him. Characters: David Blake, Dr. Carl Stoner
Location: Laboratory
The Cobra's Reckoning
The carnival reveals evidence of a previous transformation, while David becomes a king cobra. Stoner dies after provoking the snake, but David remains endangered during the final mongoose attack.
Key Events
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The Carnival Discovery — A visitor recognizes a limbless snake-man as Stoner's previous assistant.
Location: Carnival freak show
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King Cobra Mutation — David completes his mutation into a king cobra because of Stoner's injections. Characters: Dr. Carl Stoner, David Blake
Location: Laboratory
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Stoner Challenges the Cobra — Stoner provokes a king cobra into biting him and dies. Characters: Dr. Carl Stoner
Location: Laboratory
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Cobra Found Beside Body — The dead Stoner is found with the cobra beside his body. Characters: Dr. Carl Stoner
Location: Stoner's home
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Mongoose Attacks David — A mongoose bites David's transformed neck while his fate remains uncertain. Characters: David Blake
Location: Laboratory