Story Structure — 5 Plot Phases
A Cure Before the Murders
A report announces Schwarz's serum tests, and Karl hopes the treatment can save his seriously ill sister. Schwarz prepares a donor-heart operation, but murders begin before it can take place.
Key Events
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Serum Tests Announced — A report announces Schwarz's tests of serum intended to prevent transplanted organs from being rejected. Characters: Professor Schwarz
Location: Laboratory
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Karl Hopes for His Sister — Karl hopes Schwarz's treatment can save his seriously ill sister. Characters: Karl Schein, Professor Schwarz
Location: Hospital
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Transplant Planned — Schwarz prepares to operate using a donor's heart. Characters: Professor Schwarz
Location: Operating room
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Murders Begin — A series of brutal murders begins before the planned transplant can take place. Characters: Insp. Schneider
Location: Unspecified murder scenes
The Surgical Crime Trail
The murders involve strangled women whose bodies have been cut open and whose organs have been removed. Schneider investigates while Karl pursues clues independently.
Key Events
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Bodies Show Surgical Mutilation — Women are found strangled and cut open, with organs removed using a surgical instrument. Characters: Insp. Schneider
Location: Unspecified murder scenes
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Schneider Investigates — Schneider investigates the killings as the police seek to identify the killer. Characters: Insp. Schneider
Location: Police investigation
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Karl Follows Clues — Karl, a crime reporter, conducts an investigation of his own. Characters: Karl Schein
Location: Unspecified
Evidence That Defies Explanation
Formaldehyde and a scalpel connect the investigation to medical work. The scalpel's fingerprints appear to belong to two people in an impossible pattern.
Key Events
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Formaldehyde Detected — Formaldehyde is detected near Schwarz's work, adding a clue to the investigation. Characters: Insp. Schneider
Location: Near Professor Schwarz's work
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Scalpel Linked to Murders — A scalpel is linked to the killings, and its fingerprints appear to belong to two people. Characters: Insp. Schneider
Location: Police investigation
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Impossible Fingerprint Pattern — The fingerprints are found together in a pattern described as impossible. Characters: Insp. Schneider
Location: Police investigation
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Fritz Supplies Information — Fritz gives Karl information pointing to suspicious activity connected to the hospital. Characters: Fritz, Karl Schein
Location: Unspecified
The Hospital Connection
Fritz gives Karl information about suspicious activity connected to the hospital. Karl suspects that the stolen serum and the murders are linked.
Key Events
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Fritz Supplies Information — Fritz gives Karl information pointing to suspicious activity connected to the hospital. Characters: Fritz, Karl Schein
Location: Unspecified
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Serum and Murders Connected — Karl suspects that the stolen serum and the murders are connected. Characters: Karl Schein
Location: Unspecified
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Frankenstein's Experiments Revealed — The truth reveals Frankenstein's secret experiments assembling a living creature from body parts. Characters: Dr. Otto Frankenstein
Location: Hidden laboratory
The Creature and Its Creator
The investigation leads to Frankenstein's secret experiment and the creature assembled from body parts. The creature attacks Frankenstein, and authorities learn that its brain is deteriorating and its life is expected to be short.
Key Events
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Creature Attacks Frankenstein — After Frankenstein pleads that he created it, the creature turns on and attacks him. Characters: Dr. Otto Frankenstein
Location: Hidden laboratory
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Creature's Condition Discovered — Authorities discover that the creature's brain is deteriorating and it is expected to die within roughly forty-eight hours. Characters: Insp. Schneider
Location: Hidden laboratory
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Police Remain on Alert — The police remain alert for the dying creature's next attack. Characters: Insp. Schneider
Location: Unspecified