Story Structure — 5 Plot Phases
The Gloomy New Home
Jeff and his wife move into a basement apartment at 13 Gay Street. The building's residents behave strangely, and Anne Carstairs appears unlike her former self.
Key Events
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Arrival at Gay Street — Jeff and his wife move into a gloomy basement apartment building. Characters: Jeff Troy
Location: 13 Gay Street
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Strange Residents — The residents behave strangely inside the somber building. Characters: Anne Carstairs, Scott Carstairs, Eddie Turner, Lingle
Location: 13 Gay Street
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Anne Acts Differently — Anne is recognized but appears unlike the person remembered before. Characters: Anne Carstairs
Location: 13 Gay Street
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Polly's Stable — The nearby restaurant becomes an important listening point. Characters: Jeff Troy, Polly Franklin
Location: Polly's Stable
A Call Before Murder
At Polly's Stable, Jeff overhears a telephone arrangement involving the basement apartment. The caller later dies, with evidence suggesting a bathtub drowning.
Key Events
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Overheard Telephone Call — Jeff overhears a caller arranging a meeting in the basement apartment. Characters: Jeff Troy, Polly Franklin
Location: Polly's Stable
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Meeting at the Apartment — The caller proceeds to the basement apartment after the telephone arrangement. Characters: Eddie Turner
Location: Basement apartment
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Body in the Backyard — The caller is later found dead in the building's backyard. Characters: Jeff Troy, Eddie Turner
Location: Backyard
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Bathtub Evidence — Evidence suggests the victim was drowned in the apartment bathtub. Characters: Jeff Troy
Location: Basement apartment
Secrets Beneath the Building
Jeff recognizes the apartment as a former speakeasy and reconnects with Old Hickory. The turtle's movements create scares while the building's hidden history emerges.
Key Events
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Former Speakeasy — Jeff recognizes the apartment as a former speakeasy. Characters: Jeff Troy
Location: Basement apartment
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Old Hickory Returns — Jeff reunites with Old Hickory, the former bar mascot. Characters: Jeff Troy
Location: 13 Gay Street
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Turtle Causes Frights — Old Hickory's movements through the building create repeated scares. Characters: Jeff Troy, Anne Carstairs, Scott Carstairs
Location: 13 Gay Street
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Residents Are Blackmailed — The residents are revealed to be connected through blackmail. Characters: Anne Carstairs, Scott Carstairs, Eddie Turner, Lingle
Location: 13 Gay Street
The Blackmail Network
The residents are revealed as blackmail victims forced to live together. The blackmailer is connected to the building and has a private-investigator background.
Key Events
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Forced Co-residence — The blackmail victims were made to live together under surveillance. Characters: Anne Carstairs, Scott Carstairs, Eddie Turner, Lingle
Location: 13 Gay Street
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Blackmailer Was Investigator — The blackmailer is identified as a former private investigator. Characters: Jeff Troy
Location: 13 Gay Street
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Kaufman Murder Theory — The investigators conclude that the blackmailer killed the caller. Characters: Jeff Troy, Anne Carstairs, Scott Carstairs, Eddie Turner, Lingle
Location: 13 Gay Street
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Killer Lives Nearby — The killer is determined to be someone living inside the building. Characters: Jeff Troy, Anne Carstairs, Scott Carstairs, Eddie Turner, Lingle
Location: 13 Gay Street
The Resident Killer
The investigators conclude that the blackmailer killed the caller. Suspicion focuses on the residents and the mystery resolves around a killer living inside the building.
Key Events
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Suspect Circle Narrows — The residents become the central suspects in the investigation. Characters: Anne Carstairs, Scott Carstairs, Eddie Turner, Lingle
Location: 13 Gay Street
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Building Under Suspicion — Every part of the building is associated with surveillance and danger. Characters: Jeff Troy, Anne Carstairs, Scott Carstairs, Eddie Turner, Lingle
Location: 13 Gay Street
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Final Suspect Review — The investigation reviews the residents and the nearby restaurant owner. Characters: Jeff Troy, Anne Carstairs, Scott Carstairs, Eddie Turner, Lingle, Polly Franklin
Location: 13 Gay Street
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Killer Identified Within Building — The mystery resolves around the discovery that the killer lives among the residents. Characters: Jeff Troy, Anne Carstairs, Scott Carstairs, Eddie Turner, Lingle
Location: 13 Gay Street