Plot Analysis Summary
A police investigator confronts secret executions, disputed justice, and a growing threat that remains unresolved when a volunteer enters a suspicious private museum.
Story Structure — 4 Plot Phases
The Gallows Without Law
A secret tribunal condemns prisoners and carries out immediate hangings. Scotland Yard begins investigating executions marked by verdicts and apparent moral punishment.
Key Events
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Secret Court Sentence — A terrified prisoner is denied ordinary legal protection and sentenced to death.
Location: Secret court
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Unanimous Hanging Vote — The judges unanimously vote for hanging and immediately authorize the execution.
Location: Secret court
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Immediate Execution — The condemned prisoner is hanged without ordinary legal process.
Location: Execution chamber
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Scotland Yard Investigation — Scotland Yard investigates a series of identical executions attributed to an unknown executioner. Characters: John Hillier, Morel Smith
Location: Scotland Yard
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Poisoned Victim Found — The latest victim appears subdued before being hanged and carries money plus six passports. Characters: John Hillier
Location: Execution site
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Six False Identities — Six passports reveal that the victim used different names. Characters: John Hillier
Location: Investigation office
Justice Under Suspicion
Evidence links the executions to criminals whose actions caused serious harm. Public panic grows while John faces pressure, career threats, and a painful connection to unsolved murders.
Key Events
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Defective Materials Motive — The victim was wanted for defective building materials that caused eighteen deaths. Characters: John Hillier
Location: Investigation office
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Verdict Around Neck — A verdict is left around the victim's neck, indicating deliberate punishment rather than robbery. Characters: John Hillier
Location: Execution site
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Public Panic Spreads — Further executions cause public panic and increase pressure on the investigation. Characters: John Hillier, Morel Smith
Location: London
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Career Warning — Morel Smith warns John Hillier that his career is at risk if the executioner is not caught. Characters: John Hillier, Morel Smith
Location: Scotland Yard
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Unsolved Sister Murder — Morel refuses to return John to the investigation of the murdered young women, including John's sister. Characters: John Hillier, Morel Smith
Location: Scotland Yard
The Tribunal Exposed
A secret trial offers a prisoner a costly reprieve, but an overheard proceeding leads to a chaotic police raid. A possible suspect is considered and then dismissed.
Key Events
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Execution Morality Debate — Francis Barry argues that the executions may have reduced crime, challenging their moral condemnation. Characters: Francis Barry, John Hillier
Location: Private gathering
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Judicial Error Recalled — The history of Francis Barry's long-serving butler recalls an earlier judicial error involving an innocent man. Characters: Francis Barry
Location: Private gathering
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Prisoner Put On Trial — The executioners place another prisoner on trial before their secret court.
Location: Secret tribunal
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Two Million Reprieve — The prisoner is offered a temporary reprieve in exchange for two million francs.
Location: Secret tribunal
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Girl Overhears Trial — A girl overhears the proceedings, exposing the tribunal to discovery.
Location: Secret tribunal
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Police Raid Tribunal — A chaotic police raid follows the girl's discovery of the proceedings. Characters: John Hillier
Location: Secret tribunal
Bait At The Museum
The executions stop without revealing the true executioner, and John is reassigned to the unsolved sex murders. Ann becomes bait and encounters Mac Ferguson, ending inside his disturbing collection.
Key Events
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Escaped Suspect Considered — An escaped suspect is considered possible culprit, but Francis Barry dismisses him as a petty burglar and ex-convict. Characters: John Hillier, Francis Barry
Location: Police investigation
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Executions Temporarily Stop — The executions stop, but John and the others realize the real executioner remains unidentified. Characters: John Hillier, Morel Smith
Location: London
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John Reassigned — John is reassigned to the unsolved murders of young women. Characters: John Hillier, Morel Smith
Location: Scotland Yard
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Ann Volunteers As Bait — Ann volunteers to act as bait in an attempt to expose the killer. Characters: Ann Barry, John Hillier
Location: Investigation office
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Amusement Park Encounter — Mac Ferguson approaches Ann and invites her to his private museum. Characters: Ann Barry, Mac Ferguson
Location: Amusement park
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Private Museum Collection — Mac displays disturbing artworks and speaks of mystical and unknown forces. Characters: Ann Barry, Mac Ferguson
Location: Mac Ferguson's private museum
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Ann Enters Collection — Ann enters Mac's collection as the supplied events end, leaving her fate unresolved. Characters: Ann Barry, Mac Ferguson
Location: Mac Ferguson's private museum