Story Structure — 4 Plot Phases
A Disappearance at the Villa
At the end of the Austro-Hungarian Empire, Trachta and his trainee Hlaváček investigate Bierhanzl's disappearance. The factory owner's party preparations make the case suspicious.
Key Events
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Empire-Era Investigation Setting — The story begins at the end of the Austro-Hungarian Empire with a police investigation. Characters: Inspektor Trachta, Praktikant Hlaváček
Location: The Austro-Hungarian Empire
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Trainee Joins the Inquiry — Trachta investigates the case alongside his trainee Hlaváček. Characters: Inspektor Trachta, Praktikant Hlaváček
Location: Police investigation
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Bierhanzl Disappears — Bierhanzl mysteriously disappears while organizing a large party. Characters: Továrník Bierhanzl
Location: Bierhanzl's villa
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Party Preparations Become Suspicious — His disappearance is linked to preparations for a large party at the villa. Characters: Továrník Bierhanzl
Location: Bierhanzl's villa
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Alleged Murder Is Reported — The disappearance develops into an alleged murder investigation. Characters: Inspektor Trachta, Praktikant Hlaváček, Továrník Bierhanzl
Location: Police investigation
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Duck Egg Ointment — Bierhanzl used duck eggs to make an ointment against baldness. Characters: Továrník Bierhanzl
Location: Bierhanzl's factory
The Acid-Bath Theory
Clues suggest that Bierhanzl was dissolved in a bathtub with sulfuric acid and that his remains were poured down the drain. His duck egg ointment provides part of the unusual case background.
Key Events
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Duck Egg Ointment — Bierhanzl used duck eggs to make an ointment against baldness. Characters: Továrník Bierhanzl
Location: Bierhanzl's factory
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The Ointment Becomes a Clue — Bierhanzl's unusual product becomes part of the case background. Characters: Inspektor Trachta, Praktikant Hlaváček, Továrník Bierhanzl
Location: Police investigation
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Clues Suggest Dissolution — The clues suggest that Bierhanzl was dissolved using sulfuric acid. Characters: Inspektor Trachta, Praktikant Hlaváček, Továrník Bierhanzl
Location: Bierhanzl's villa
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Bathtub Theory Emerges — The alleged murder is reconstructed as a dissolution in a bathtub. Characters: Inspektor Trachta, Praktikant Hlaváček
Location: Bathtub
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Remains Reach the Drain — The supposed remains are said to have been dumped down the drain. Characters: Inspektor Trachta, Praktikant Hlaváček
Location: Bathtub drain
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Original Investigation Method — Trachta and Hlaváček pursue the case through their original investigative method. Characters: Inspektor Trachta, Praktikant Hlaváček
Location: Police investigation
Investigation Under Pressure
Trachta and Hlaváček use their original investigative method while facing constant official interference. Their findings begin to undermine the apparent murder story.
Key Events
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Original Investigation Method — Trachta and Hlaváček pursue the case through their original investigative method. Characters: Inspektor Trachta, Praktikant Hlaváček
Location: Police investigation
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Official Interference — The investigators face constant interference from the police director. Characters: Inspektor Trachta, Praktikant Hlaváček
Location: Police investigation
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The Murder Story Weakens — Their investigation shows that the official murder explanation is unreliable. Characters: Inspektor Trachta, Praktikant Hlaváček
Location: Police investigation
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Different Crimes Revealed — The clues indicate that quite different crimes have been committed. Characters: Inspektor Trachta, Praktikant Hlaváček
Location: Police investigation
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Murder Identified as Cover-Up — The alleged murder is exposed as a cover-up rather than the real crime. Characters: Inspektor Trachta, Praktikant Hlaváček, Továrník Bierhanzl
Location: Police investigation
The Living Victim
The investigators discover that different crimes were committed and that the supposed murder was a cover-up. Bierhanzl is revealed to be alive, with only minor damage to his appearance.
Key Events
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Bierhanzl's Survival Discovered — The supposedly drained factory owner is discovered to be alive. Characters: Inspektor Trachta, Praktikant Hlaváček, Továrník Bierhanzl
Location: Police investigation
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Minor Damage Explained — Bierhanzl is alive with only minor damage to his appearance. Characters: Továrník Bierhanzl, Inspektor Trachta, Praktikant Hlaváček
Location: Police investigation
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Case Truth Clarified — The investigators establish that the apparent murder concealed other crimes. Characters: Inspektor Trachta, Praktikant Hlaváček, Továrník Bierhanzl
Location: Police investigation
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Hlaváček Finds Happiness — Hlaváček falls happily in love during the investigation. Characters: Praktikant Hlaváček
Location: Police investigation
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The Apparent Murder Ends — The case concludes with Bierhanzl alive and the murder claim discredited. Characters: Inspektor Trachta, Praktikant Hlaváček, Továrník Bierhanzl
Location: Police investigation