A Blueprint for Murder

A Blueprint for Murder

Year: 1953

Runtime: 77 mins

Language: English

Director: Andrew L. Stone

ThrillerCrimeMysteryThrillers and murder mysteriesSuspenseful crime thrillers

Whitney Cameron is torn between desire and suspicion when he becomes attracted to his sister‑in‑law Lynn. After his brother’s unexplained death and the recent poisoning of Lynn’s step‑child Polly, he believes Lynn is scheming to claim his late brother’s estate, eliminating anyone who stands in her path, and threatening anyone who opposes her.

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Timeline & Setting – A Blueprint for Murder (1953)

Explore the full timeline and setting of A Blueprint for Murder (1953). Follow every major event in chronological order and see how the environment shapes the story, characters, and dramatic tension.

Time period

The events unfold in a contemporary setting with medical facilities, cross-Atlantic travel, and formal legal proceedings. Medical exams, poison clues, and detective work reflect the investigative methods of the period. The transatlantic voyage creates a confined timeline that heightens suspense as the mystery progresses toward resolution.

Location

Hospital, Transatlantic Ocean Liner (ship)

The drama centers in a hospital room where Polly's illness is first investigated and then unfolds aboard a Europe-bound ocean liner. The ship provides a claustrophobic setting, with staterooms, corridors, and onboard investigators shaping the tension. Key scenes move between the medical environment and the liner, culminating in a voyage that acts as the backdrop for the plot to unfold. The travel to Europe amplifies the stakes as clues travel with the passengers and time runs out.

🏥 Hospital 🚢 Ship 🌍 Europe-bound voyage

Last Updated: October 04, 2025 at 18:42

Main Characters – A Blueprint for Murder (1953)

Meet the key characters of A Blueprint for Murder (1953), with detailed profiles, motivations, and roles in the plot. Understand their emotional journeys and what they reveal about the film’s deeper themes.

Whitney 'Cam' Cameron (Joseph Cotten)

A clever and protective figure who investigates Polly's death while wrestling with a moral dilemma. He is deeply loyal to his family and determined to safeguard his young nephew, Doug. His amateur sleuthing combines logical reasoning with emotional conflict as he confronts possible motives surrounding Lynne.

🕵️‍♂️ Investigation ❤️ Romance ⚖️ Morality 💼 Wealth

Lynn Cameron (Jean Peters)

Cam's romantic interest and Lynne, the sister-in-law who becomes a central figure in the murder suspicion. She is composed and persuasive, yet boundary-pushing in her relationship with Cam. Her involvement in the case drives much of the emotional and legal tension aboard the ship.

💔 Romance 🕵️‍♀️ Mystery 🧭 Secrets

Maggie Sargent (Catherine McLeod)

Wife of Cam's lawyer Fred; observant and connected, she notices parallels between Polly's symptoms and known poison cases. She serves as a perceptive ally who helps anchor the investigation and motivations of those involved.

👀 Observer 💬 Witness 🧭 Clarity

Fred Sargent (Gary Merrill)

Cam's pragmatic lawyer and ally who reveals the details of the family will and supports Cam's plan to uncover the truth. He provides legal ballast to the evolving investigation and the moral questions it raises.

💼 Legal 🧩 Strategy 🧭 Trust

Polly

The stepdaughter whose severe illness and subsequent death spark the mystery. Her symptoms and fate set the entire investigation in motion and color the suspects with questions of motive and opportunity.

🧪 Poisoning 💔 Death 🕵️‍♀️ Mystery

Doug Cameron (Freddy Ridgeway)

Cam's young nephew, whom Cam loves dearly and is determined to protect. Doug’s safety motivates Cam’s actions and adds emotional stakes to the plot as a potential target of danger.

👶 Family 🛡️ Protection

Detective Captain Pringle (Barney Phillips)

The shipboard detective who becomes involved in the case and ultimately plays a pivotal role in unveiling the truth. His presence adds procedural texture to the mystery.

🕵️‍♂️ Onboard Investigation 🤝 Collaboration

Lynn's Lawyer (Harold Miller)

Legal counsel involved in the unfolding courtroom aspects of the case, representing Lynne's side and contributing to the legal gravity of the proceedings.

⚖️ Courtroom 💼 Legal

Last Updated: October 04, 2025 at 18:42

Major Themes – A Blueprint for Murder (1953)

Explore the central themes of A Blueprint for Murder (1953), from psychological, social, and emotional dimensions to philosophical messages. Understand what the film is really saying beneath the surface.

🔎 Deception

Deception drives the plot as motives are hidden and truth is manipulated by appearances. Cam and Lynne both present facades that mask their true intentions, keeping others uncertain. The onboard environment amplifies misdirection, with every interaction potentially hiding a clue. The tension hinges on whether trust can survive when people conceal their real motives.

💰 Inheritance

Money and inheritance loom large as the will ties Lynne to the family fortune only if both children die. The prospect of wealth creates moral hazards and temptations toward drastic acts. Cam's protective instinct toward his nephew clashes with the lure of a sizeable inheritance. Wealth acts as a volatile catalyst, fueling suspicion and crime.

💔 Guilt

Cam wrestles with a brutal moral choice about killing Lynne and feels intense guilt for contemplating murder. The near-poisoning attempt and Lynne's eventual fate intensify the emotional burden on him and others involved. The story explores how guilt can accompany justice, blurring the line between protection and vengeance. Even as danger recedes, the memory of what could have happened lingers.

Last Updated: October 04, 2025 at 18:42

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Unlock the Full Story of A Blueprint for Murder

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A Blueprint for Murder Summary

Read a complete plot summary of A Blueprint for Murder, including all key story points, character arcs, and turning points. This in-depth recap is ideal for understanding the narrative structure or reviewing what happened in the movie.

A Blueprint for Murder Summary

A Blueprint for Murder Timeline

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A Blueprint for Murder Timeline

More About A Blueprint for Murder

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