Story Structure — 5 Plot Phases
A Quiet House Takes a Tenant
Mrs. Wilberforce lives alone and is dismissed by the local police when she reports fanciful suspicions. Marcus rents rooms by presenting his criminal group as musicians.
Key Events
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House Above Railway Tunnel — Mrs. Wilberforce lives alone in a gradually subsiding house built over a railway tunnel entrance. Characters: Mrs. Wilberforce
Location: Kings Cross, London
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Visits to the Police — She reports fanciful neighbourhood suspicions, but the officers do not believe her. Characters: Mrs. Wilberforce
Location: Local police station
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Marcus Seeks Rooms — Marcus approaches Mrs. Wilberforce to rent rooms in her home. Characters: Professor Marcus, Mrs. Wilberforce
Location: Mrs. Wilberforce's house
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Gang Assembled — Marcus uses the house as a base for a security van robbery with his assembled gang. Characters: Professor Marcus, Claude, alias 'Major Courtney', Louis, alias 'Mr. Harvey', Harry, alias 'Mr. Robinson', 'One-Round', alias 'Mr. Lawson'
Location: Mrs. Wilberforce's house
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String Quintet Cover — Marcus convinces her that the gang is an amateur string quintet rehearsing in the rooms. Characters: Professor Marcus, Mrs. Wilberforce, Claude, alias 'Major Courtney', Louis, alias 'Mr. Harvey', Harry, alias 'Mr. Robinson', 'One-Round', alias 'Mr. Lawson'
Location: Mrs. Wilberforce's house
Music Conceals the Heist
The gang uses instruments and records to maintain its cover while planning a security van robbery. The robbery succeeds, and Mrs. Wilberforce is tricked into retrieving the disguised money.
Key Events
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String Quintet Cover — Marcus convinces her that the gang is an amateur string quintet rehearsing in the rooms. Characters: Professor Marcus, Mrs. Wilberforce, Claude, alias 'Major Courtney', Louis, alias 'Mr. Harvey', Harry, alias 'Mr. Robinson', 'One-Round', alias 'Mr. Lawson'
Location: Mrs. Wilberforce's house
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Robbery Planning — The gang uses music and instruments to disguise its planning sessions. Characters: Professor Marcus, Claude, alias 'Major Courtney', Louis, alias 'Mr. Harvey', Harry, alias 'Mr. Robinson', 'One-Round', alias 'Mr. Lawson'
Location: Mrs. Wilberforce's house
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Security Van Robbery — The gang successfully carries out the planned robbery near the railway station. Characters: Professor Marcus, Claude, alias 'Major Courtney', Louis, alias 'Mr. Harvey', Harry, alias 'Mr. Robinson', 'One-Round', alias 'Mr. Lawson'
Location: Railway station
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Disguised Money Retrieved — The gang tricks Mrs. Wilberforce into retrieving the concealed money herself. Characters: Professor Marcus, Mrs. Wilberforce
Location: Railway station
The Landlady Sees the Truth
The cello case snags in the door and spills banknotes, exposing the gang's secret to Mrs. Wilberforce. After learning of the nearby robbery, she tells Marcus she intends to contact the police.
Key Events
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Cello Case Snags — The money-filled cello case catches in the door, spilling banknotes in front of Mrs. Wilberforce. Characters: Mrs. Wilberforce, 'One-Round', alias 'Mr. Lawson'
Location: Front door of Mrs. Wilberforce's house
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Robbery Revealed — After hearing of a nearby robbery from a visiting friend, she recognizes the gang's true nature. Characters: Mrs. Wilberforce
Location: Mrs. Wilberforce's house
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Threat to Report Them — She tells Marcus she will go to the police, and the gang tries to dissuade her. Characters: Professor Marcus, Mrs. Wilberforce, Claude, alias 'Major Courtney', Louis, alias 'Mr. Harvey', Harry, alias 'Mr. Robinson', 'One-Round', alias 'Mr. Lawson'
Location: Mrs. Wilberforce's house
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Marcus Argues Insurance — Marcus calls the robbery victimless, arguing insurance will cover the loss and police may refuse the money. Characters: Professor Marcus, Mrs. Wilberforce
Location: Mrs. Wilberforce's house
The Gang Turns on Itself
The criminals try to talk Mrs. Wilberforce out of reporting them, then decide she must be killed and draw lots. Their attempts to escape or attack one another lead to a rapid series of deaths.
Key Events
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Matchstick Drawing — The gang decides Mrs. Wilberforce must die and draws lots; the Major loses. Characters: Professor Marcus, Mrs. Wilberforce, Claude, alias 'Major Courtney', Louis, alias 'Mr. Harvey', Harry, alias 'Mr. Robinson', 'One-Round', alias 'Mr. Lawson'
Location: Mrs. Wilberforce's house
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Major Flees with Cash — The Major tries to escape with the money; Louis chases him, and the Major falls from the roof. Characters: Claude, alias 'Major Courtney', Louis, alias 'Mr. Harvey'
Location: Roof of Mrs. Wilberforce's house
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Harry Killed — Harry tries to escape with the money, and 'One-Round' kills him. Characters: Harry, alias 'Mr. Robinson', 'One-Round', alias 'Mr. Lawson'
Location: Mrs. Wilberforce's house
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One-Round Killed — 'One-Round' tries to shoot Louis but leaves the safety catch on, and Marcus kills him. Characters: Professor Marcus, Louis, alias 'Mr. Harvey', 'One-Round', alias 'Mr. Lawson'
Location: Mrs. Wilberforce's house
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Louis Falls into Wagon — Marcus dislodges the ladder, sending Louis into a passing wagon after Louis fires at him. Characters: Professor Marcus, Louis, alias 'Mr. Harvey'
Location: Ladder by the railway bridge
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Marcus Struck by Signal — A changing signal arm strikes Marcus on the head, and he falls into another wagon. Characters: Professor Marcus
Location: Railway bridge behind the house
The Unbelieved Witness
The remaining gang members die in railway-related accidents and confrontations. Mrs. Wilberforce reports what happened, is told to keep the money, and leaves a banknote with a poor artist on her way home.
Key Events
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Police Reject Her Story — She reports the events, but the police humor her and tell her to keep the money. Characters: Mrs. Wilberforce
Location: Local police station
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Banknote Left Behind — She accepts the outcome and leaves a large banknote with a perplexed poor artist. Characters: Mrs. Wilberforce
Location: On the way home