
Murder by the Clock
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This classic locked-room mystery will captivate you with its clever plot twists and deep psychological insight into a manipulative mind.
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Book Summary
When Herbert Endicott is found dead in a cupboard, Lieutenant Valcour investigates a case where the victim may not be dead, the wife's alibi is a web of lies, and the truth is hidden behind layers of deception. As the night unfolds, Valcour uncovers a tale of obsession, manipulation, and murder.
At 8:37 p.m., Mrs. Endicott calls the police, fearing for her husband Herbert's safety after he visits Marge Myles. Lieutenant Valcour arrives, and soon Herbert is found dead in a cupboard, though Dr. Worth later revives him with an adrenaline injection. Mrs. Endicott's behavior is erratic—she admits to wishing her husband dead, fakes a suicide attempt, and is arrested as a material witness. Valcour uncovers clues: a missing button, a dirty soap, a slipper, and a hidden letter from Marge Myles. He interviews servants and friends, learning of Herbert's past assault on a servant girl and the girl's sailor husband. Valcour theorizes Marge Myles killed Herbert, but the case twists when Marge is found hiding in a chest, armed and threatening. Five years later, Mrs. Endicott (now Mrs. Hollander) contacts Valcour, fearing for her new husband's safety. Valcour reflects that she was the true murderer, manipulating everyone like puppets, and the story ends with him heading to her again, suggesting a cycle of deception and control.
Reading guide
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Character guides, themes, chapter companions — plus Character Web, narrative arc, and theme heatmap teasers that unlock fully beside the text in BetterReads.
Narrative arc
Story tension across the book.
Lieutenant Valcour
Valcour arrives at the Endicott estate to find a dead man, a forged postscript, and a household of people performing innocence badly. He is methodical rather than theatrical, cataloguing a broken fingernail and a bruise beneath chiffon while a letter from a woman named Marge sits in his pocket. What unsettles him is not the evidence but a recurring presentiment of menace — the sense that the criminal and the weapon are still somewhere in the house, and that his theory might be wrong.
Mrs. Endicott
Mrs. Endicott walks into the investigation already bruised, already lying about small things, and already certain her husband's Latin-eyed mistress is the sort who would kill. She speaks of Herbert with a mixture of contempt and love so tangled that Valcour cannot separate them. Her confession that she loved him — even when she wished to kill him — makes her the emotional centre of the early case, and the question of what she actually did in the attic that afternoon hangs over every interview.
Thomas Hollander
Hollander is the friend Lieutenant Valcour calls in to sit with the recovering Endicott, a man whose soft accent and easy manner make him seem like comfort itself. But in the sickroom his right hand moves with unnatural rigidity toward a spot above Endicott's heart, and the conversation turns from sympathy to threat in a whisper. He is the novel's most immediate danger — a visitor whose presence at the bedside transforms a locked-room mystery into something far more intimate and lethal.
Dr. Worth
Dr. Worth is the kind of doctor Nurse Murrow dreams about — unmarried, distinguished, never snappish — but his eagerness has long since faded into the puffy chains of sleep. He attends Endicott through the night, is astonished by every new development, and moves through the house with the slightly damp bewilderment of a man who did not expect his quiet practice to become a murder investigation. His medical judgment and his presence in the house make him both a witness and a quiet suspect.
Herbert Endicott
Herbert Endicott is dead before the novel properly begins, but he dominates it through the testimony of everyone who knew him. His wife describes a man who talked elaborately only when lying, who kept weekly impromptu reunions at the Yale Club that were neither impromptu nor at the Yale Club, and who was found dressed for outdoors without his hat. His weakness, his cruelty, and his refusal to be understood made him a target long before anyone pulled a trigger — and the question of who finally did is the engine of the whole case.
Roberts
Roberts is the household employee who knows too much and admits it too late — she fetched her own revolver from a locked trunk during the confusion after the shooting, and by the time she returned it, silence had become the only safe option. Her testimony against Mrs. Endicott is relentless and precise, yet her suggestion that Hollander be the one to sit with the dying Endicott is a contradiction Valcour cannot let go. She is the case's most self-incriminating witness, and her bitterness makes her both credible and suspect.
Appearance vs. Reality
The narrative constantly blurs the line between what seems to be true and what is actually happening, from Mrs. Endicott's staged alibi to the false assumption that Endicott is dead when he is merely in a cataleptic state.
Marriage and Deception
The Endicotts' marriage is built on lies, manipulation, and unspoken resentments, with Mrs. Endicott admitting she and her husband never had a direct question or answer between them, and her using forgery to control his affections.
Obsession and Control
Mrs. Endicott's obsessive need to control her husband and her own fate drives her actions, including her willingness to fake a suicide attempt and her cold, calculated responses to the investigation, while Roberts's obsessive hatred of Mrs. Endicott mirrors this theme.
Class and Social Status
The story is steeped in upper-class New York society, with servants, private nurses, and wealthy households, and the characters' behaviors are shaped by their positions—Mrs. Endicott's detached elegance, the servants' deference, and the police's careful navigation of social hierarchies.
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