Plot Analysis Summary
A murder investigation links brain theft, Templar treasure, surveillance, and a deceptive auction trap.
Story Structure — 5 Plot Phases
Letters And Lost Gold
A strange letter-reading incident and a moneylender's visitor introduce the hidden treasure mystery. Templar documents and reports of brain theft establish an ominous atmosphere.
Key Events
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Mail Reading Revealed — A servant apologizes for reading his employer's mail while newspapers report a man who steals brains.
Location: Employer's house
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Treasure Information Offered — A visitor representing a moneylender offers information about a hidden treasure.
Location: Employer's house
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Templar Research Disclosed — The master has spent years studying the Knights Templar and allegedly possesses documents about their lost wealth.
Location: Employer's house
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Patients Lose Brain Activity — A doctor examines helpless patients whose EEGs are flat although their hearts still beat faintly.
Location: Medical flat
The Unnatural Patients
Patients display corpse-like EEG readings despite faint heartbeats. The medical evidence suggests that a dangerous experiment is connected to the wider mystery.
Key Events
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Dangerous Experiment Suspected — The patients' corpse-like EEG readings suggest that a dangerous experiment is being conducted.
Location: Medical flat
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Uncle Found Murdered — Paul's uncle is found tortured and murdered, connecting the mystery to the family. Characters: Paul
Location: Paul's uncle's house
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Impostor Accusation — A man claiming to be Paul contacts police from abroad and says the person in the house was an impostor. Characters: Paul
Location: Police communication
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Ritual Killing Theory — Investigators connect the killing with Templar ritual, black magic, Baphomet, and the lost treasure.
Location: Police investigation
Murder And Suspicion
Paul's uncle is tortured and murdered, while a caller claiming to be Paul reports an impostor. Investigators connect the killing to Templar ritual, Baphomet, and the lost treasure.
Key Events
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Torture Motive Identified — Investigators conclude that the victim was tortured to reveal the location of something valuable.
Location: Police investigation
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Paul Returns To Martine — Paul returns to Martine and asks her to summon Séraphin. Characters: Paul, Martine
Location: Martine's residence
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Templar Gold Theory Explained — Paul explains that his uncle funded research into Templars crossing the Atlantic and returning with gold. Characters: Paul, Martine, Séraphin
Location: Martine's residence
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House Surveillance Detected — Hidden microphones and surveillance reveal that someone is monitoring the house. Characters: Paul, Martine, Séraphin
Location: House
Surveillance And Capture
Paul brings Martine and Séraphin into the investigation and explains the theory of Templar gold. Surveillance exposes an intruder, and a blowpipe reveals how victims were incapacitated.
Key Events
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Mysterious Woman Escapes — A mysterious woman attempts to escape while police move to block her retreat. Characters: Séraphin
Location: House
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Séraphin Captures Suspect — Séraphin captures the escaping woman, who appears strangely drowsy. Characters: Séraphin
Location: House
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Blowpipe Reveals Method — The blowpipe exposes a method used to incapacitate victims. Characters: Séraphin
Location: House
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Auction Trap Prepared — Investigators organize an auction and claim that selected lots contain the secret of the Templar treasure. Characters: Séraphin
Location: Hôtel Drouot
The False Auction
Investigators use forged documents and a staged auction at Hôtel Drouot to lure people seeking the treasure. A professor exposes the fakes, but the killer's resources leave the confrontation unresolved.
Key Events
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Forged Lots Attract Buyers — Buyers willing to pay enormous sums are attracted by the alleged treasure objects. Characters: Séraphin
Location: Hôtel Drouot
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Professor Exposes Fakes — A professor announces publicly that the seals are fake and admits authenticating them to help catch the killer.
Location: Hôtel Drouot
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Auction Deception Collapses — The investigative deception is exposed, but the killer's wealth and knowledge remain threatening. Characters: Séraphin
Location: Hôtel Drouot
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Final Confrontation Continues — The killer's wealth and knowledge of the uncle's collection indicate that the final confrontation is still underway. Characters: Paul, Martine, Séraphin
Location: Hôtel Drouot
Clad in a featureless red mask, The Man Without A Face is involved in a single-minded pursuit of the fabled treasure of the Knights Templar in this tribute to the pulp adventure stories of Louis Feuillade.