Plot Analysis Summary
An investigator probes a strangling in a girls' dormitory, where denials, student games, and incomplete evidence leave the case unresolved in the available account.
Story Structure — 4 Plot Phases
Silence in the Dormitory
A student is found strangled, while the other girls deny seeing or hearing anything. Broche questions them and imposes restrictions before Marco takes over the inquiry.
Key Events
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Student Found Strangled — A student is found strangled in her bed.
Location: Miremont College dormitory
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Dormitory Denials — The other seventeen girls insist they saw and heard nothing.
Location: Miremont College dormitory
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Broche Questions Students — Broche questions the students and places them under restrictions. Characters: Inspecteur Broche
Location: Miremont College
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Marco Takes the Case — Marco is called in and suspects the students are withholding information. Characters: Inspecteur Desiré Marco
Location: Miremont College
Suspects and Hidden Motives
Marco suspects that the students are withholding information and warns that danger may persist. He learns about the victim's resistance to her expected family life and the encounter with Da Costa, which supplies a possible lead but no solution.
Key Events
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Warning of Further Danger — Marco warns that the killer may remain among them and another student could be at risk. Characters: Inspecteur Desiré Marco
Location: Miremont College
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Victim's Rebellious Life — Marco learns the victim resisted the life her family expected her to lead. Characters: Inspecteur Desiré Marco
Location: Miremont College
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Da Costa Encounter — Marco learns the victim met Da Costa on the evening she died. Characters: Inspecteur Desiré Marco, Da Costa
Location: Not specified
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Attempted Assault Reported — A student says Da Costa tried to force himself on the victim, who fought him off and escaped. Characters: Inspecteur Desiré Marco, Da Costa
Location: Not specified
Games Behind the Alibis
The girls disclose games played on the night of the murder, including a tying game and a sheet prank directed at Tournesac. These details make it difficult to distinguish a prank from a real attack.
Key Events
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Dormitory Games Revealed — The girls reveal they played games on the night of the murder. Characters: Inspecteur Desiré Marco
Location: Miremont College dormitory
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Tying Game Described — The students describe an English game in which one girl was tied to her bed. Characters: Inspecteur Desiré Marco
Location: Miremont College dormitory
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Ghost Prank Recalled — The students say they used a sheet to frighten Tournesac, who feared ghosts. Characters: Mlle Brigitte Tournesac
Location: Miremont College
Evidence and Reconstruction
Marco examines the victim's camera and learns why some drawers were empty. He reconstructs the tying game with Dominique Stark and questions Stark and Tournesac, but the available account ends before the killer is identified.
Key Events
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Camera Evidence Examined — Marco examines the victim's belongings and learns she had been filming with a 16 mm camera. Characters: Inspecteur Desiré Marco
Location: Miremont College
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Empty Drawers Explained — Marco learns two students packed suitcases before an expected departure. Characters: Inspecteur Desiré Marco
Location: Miremont College dormitory
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Tying Game Reconstructed — Marco stages the tying game and questions Stark and Tournesac about what occurred. Characters: Inspecteur Desiré Marco, Dominique Stark, Mlle Brigitte Tournesac
Location: Miremont College
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Account Ends Before Solution — The available account ends before Marco identifies the killer or resolves the case. Characters: Inspecteur Desiré Marco
Location: Not specified