Story Structure — 4 Plot Phases
The Shampoo Secret
Two neighboring Stone Age tribes coexist peacefully until the dirty hair tribe grows envious of the clean hair tribe's valuable shampoo formula. The dirty hair leader decides to deploy a spy to steal the recipe, setting the espionage plot in motion.
Key Events
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Ancient Tribal Peace — Two neighboring tribes coexist peacefully in the Stone Age. Location: Stone Age Valley
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Shampoo Formula — The secret recipe grants the clean hair tribe prosperity and peace. Location: Clean Hair Village
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Tribal Rivalry Emerges — The dirty hair tribe grows envious and demands access to the formula. Location: Borderlands
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Leader's Strategic Decision — The leader resolves to steal the recipe through covert means. Location: Dirty Hair Camp
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Spy Deployment — The leader assigns the spy to infiltrate the clean hair tribe. Location: Dirty Hair Camp
The First Murder
While the spy infiltrates the clean hair village, a shocking murder occurs for the first time in human history. The peaceful community is thrown into chaos, forcing the tribe to confront unprecedented violence.
Key Events
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Spy Deployment — The leader assigns the spy to infiltrate the clean hair tribe. Location: Dirty Hair Camp
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Infiltration Begins — The spy successfully enters the peaceful tribe's territory. Location: Clean Hair Village
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First Murder Occurs — A murder is committed for the first time in human history. Location: Clean Hair Village
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Tribal Shock — The community is devastated by the unprecedented violent act. Location: Clean Hair Village
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Investigation Launched — The tribes initiate the first criminal investigation in human history. Location: Clean Hair Village
The Great Investigation
The tribes launch the first criminal investigation in history, tracing clues and identifying suspects. The spy faces a moral dilemma as the theft mission intersects with the murder case, while tribal tensions escalate.
Key Events
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Investigation Launched — The tribes initiate the first criminal investigation in human history. Location: Clean Hair Village
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Clue Discovery — Investigators trace physical evidence near the crime scene. Location: Forest Path
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Spy's Dilemma — The spy must balance the theft mission with the unfolding murder case. Location: Clean Hair Village
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Suspect Identification — Suspicion falls on an unknown individual linked to the violence. Location: Village Square
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Tribal Tensions Rise — The dirty hair leader watches the investigation, fearing exposure. Location: Borderlands
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Murderer's Motive Revealed — The killer's personal grievance against the victim is uncovered. Location: Cave
Justice and Legacy
The murderer is apprehended after a tense confrontation, and the spy confesses to the infiltration. The clean hair tribe secures its formula, establishes a legal precedent, and restores peace with the rival tribe.
Key Events
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Murderer's Motive Revealed — The killer's personal grievance against the victim is uncovered. Location: Cave
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Spy's Confession — The spy admits to the infiltration but denies the murder. Location: Village Hall
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Culprit Apprehension — The murderer is cornered and captured by the tribe. Location: Village Square
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Formula Secured — The tribe successfully protects its secret from the spy. Location: Clean Hair Village
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Justice Served — The tribe establishes a precedent for handling violent crimes. Location: Village Square
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Tribal Coexistence Restored — Peace returns as both tribes acknowledge the new legal order. Location: Borderlands
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Historic Legacy — The first investigation sets the foundation for future justice. Location: Stone Age Valley
In 35,000 BC, the tribe of the Dirty Hairs is at war against the tribe of the Clean Hairs for eight hundred years, trying to get their shampoo. The chief of the Dirty Hairs sends his daughter Guy disguised to the enemy tribe to get some shampoo for his tribe. When the healer of the Clean Hairs tribe surprisingly kills two cavemen of his tribe, their imbecile chief assigns Pierre with curled hair and Pierre blonde to investigate the murder and find the criminal.