Impact

Impact

Year: 1949

Runtime: 111 mins

Language: English

Director: Arthur Lubin

MysteryThrillerDrama

Wanted By Two Women! One For Love! One For Murder! After surviving a murder attempt, an auto magnate goes into hiding so his wife can pay for the crime.

Warning: spoilers below!

Haven’t seen Impact yet? This summary contains major spoilers. Bookmark the page, watch the movie, and come back for the full breakdown. If you're ready, scroll on and relive the story!

Timeline & Setting – Impact (1949)

Explore the full timeline and setting of Impact (1949). Follow every major event in chronological order and see how the environment shapes the story, characters, and dramatic tension.

Time period

1949

The action unfolds in late 1940s America, a postwar era where wealth and social standing shape both crime and justice. Cars, newspapers, and courtroom procedures reflect contemporary noir conventions. The timeline tightens as memories and alibis crumble under pressure, driving the suspense.

Location

San Francisco, Lake Tahoe, Sierra Nevada, Oakland, Larkspur, Idaho, Denver, Evanston, Illinois

San Francisco anchors the story as the seat of Walt Williams' empire. The investigation and murder plot move along the Sierra Nevada mountains toward Lake Tahoe, with Oakland serving as a critical urban waypoint. The fugitives’ path brings them to Larkspur, Idaho, then back to California, illustrating how the glossy cityscape masks danger in quieter settings.

🏙️ Urban 🗺️ Mountain roads 🚘 Road trip 🏔️ Scenic backdrop

Last Updated: October 04, 2025 at 18:39

Main Characters – Impact (1949)

Meet the key characters of Impact (1949), with detailed profiles, motivations, and roles in the plot. Understand their emotional journeys and what they reveal about the film’s deeper themes.

Walter Williams — Brian Donlevy

A powerful San Francisco industrialist who can bend men to his will. He is resourceful and weathered by wealth, yet his arrogance invites danger. When he discovers Irene's treachery, he refuses to fade away and seeks to reclaim his life, showing a resilient, calculating streak.

💼 Wealth 🧠 Calculating

Irene Williams — Helen Walker

Walt’s wife, a consummate liar whose charm masks ruthlessness. She engineers the murder plot with her lover, manipulating appearances to affect the outcome. Her ability to turn truth on its head makes her the central deceptive force of the story.

💃 Seductive 🗝️ Manipulative

Jim Torrence — Tony Barrett

Irene's lover and partner in crime, a calculating opportunist who carries out the murder plan and assumes aliases. He disappears when the plan falters, leaving Irene to improvise her defense. His presence underscores the parasite-like nature of desire and crime.

🧭 Ambitious 🗡️ Dangerous

Marsha Peters — Ella Raines

A war widow who runs a small-town service business and shows unusual kindness toward Walt. She provides refuge and motivation for him to reclaim his life, becoming a moral anchor within the noir maze. Her steadiness contrasts with the surrounding chaos.

❤️ Compassion 🛟 Protection

Su Lin — Anna May Wong

Former housekeeper who holds a crucial key to unlocking the truth. Her quiet memory and loyalty help connect clues that bring the real culprit to light. She represents a quiet, perceptive conscience within the story.

🕯️ Loyal 🧩 Clue-giver

Lieutenant Quincy — Charles Coburn

San Francisco detective who investigates the murder and navigates the shifting narratives. He questions the veracity of alibis and serves as a steady, methodical force in the pursuit of truth. His skepticism gradually yields to a breakthrough that helps exonerate Walt.

⚖️ Pursuit 🕵️ Investigation

Last Updated: October 04, 2025 at 18:39

Major Themes – Impact (1949)

Explore the central themes of Impact (1949), from psychological, social, and emotional dimensions to philosophical messages. Understand what the film is really saying beneath the surface.

🕵️ Deception

A murder is staged, memories are manipulated, and alibis are crafted to hide the truth. The couple’s lies entangle innocent bystanders and create a web of doubt that only a key witness can unravel. The narrative demonstrates how deception can be profitable, yet ultimately corrosive.

⚖️ Justice

The courtroom becomes a battleground where evidence is interpreted more than it reveals. Prosecution, defense, and political influence collide as the protagonist fights to establish innocence. The film questions whether justice can prevail when appearances are engineered.

💔 Betrayal

Infidelity and manipulation drive the plot, testing trust within a marriage and across social circles. Irene's calculated deceit contrasts with Marsha's genuine kindness, creating emotional stakes beyond mere crime. The betrayal's ripple effects reveal how power and desire corrupt judgment.

🧭 Identity

Characters assume different identities and rely on memory gaps to hide truth. The 'cousin' ruse, the Jack Burns alias, and amnesia all blur who is telling the truth. The tension pivots on uncovering who these people truly are when the pressure mounts.

Last Updated: October 04, 2025 at 18:39

Mobile App Preview

Coming soon on iOS and Android

The Plot Explained Mobile App

From blockbusters to hidden gems — dive into movie stories anytime, anywhere. Save your favorites, discover plots faster, and never miss a twist again.

Sign up to be the first to know when we launch. Your email stays private — always.

Explore Movie Threads

Discover curated groups of movies connected by mood, themes, and story style. Browse collections built around emotion, atmosphere, and narrative focus to easily find films that match what you feel like watching right now.

Methodical crime stories like Impact

Stories where a crime is unraveled through careful, logical investigation.If you liked the methodical investigation in Impact, you'll enjoy these movies where a crime is solved through careful deduction. These films offer a steady-paced, logical unfolding of events, focusing on evidence and strategy to build suspense and deliver justice.

methodicalsuspensefulinvestigativetensedeceptiveunsettling

Narrative Summary

The narrative pattern typically begins with a central crime, followed by a step-by-step investigation that uncovers layers of deception and conspiracy. Characters, often methodical investigators or determined victims, piece together the puzzle logically, leading to a final confrontation where evidence and truth prevail.

Why These Movies?

These films are grouped by their shared focus on a logical, procedural approach to crime-solving. They prioritize a steady pace, a tense and suspenseful mood built on unraveling secrets, and a narrative structure that rewards careful attention to detail.

Movies about characters in hiding like Impact

Characters who must disappear to survive, watching their old life from the shadows.Fans of Impact's plot about a man hiding to expose his wife will appreciate these stories of protagonists living in the shadows. These films explore themes of survival, mistaken identity, and the psychological toll of watching your old life from a distance.

suspensefultenseunsettlingmelancholicdeceptiveparanoid

Narrative Summary

The emotional journey follows a character who suffers a betrayal or attack and must fake their death or vanish. The story focuses on their struggle to adapt, the constant fear of discovery, and their eventual re-emergence to confront the forces that forced them into hiding, often achieving a bittersweet resolution.

Why These Movies?

These movies share the core premise of a protagonist in hiding, creating a cohesive experience of suspense, deception, and betrayal. They are united by a tense tone, a medium emotional weight dealing with loss and justice, and a plot-driven narrative about survival and redemption.

Unlock the Full Story of Impact

Don't stop at just watching — explore Impact in full detail. From the complete plot summary and scene-by-scene timeline to character breakdowns, thematic analysis, and a deep dive into the ending — every page helps you truly understand what Impact is all about. Plus, discover what's next after the movie.

Impact Summary

Read a complete plot summary of Impact, 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.

Impact Summary

Impact Timeline

Track the full timeline of Impact with every major event arranged chronologically. Perfect for decoding non-linear storytelling, flashbacks, or parallel narratives with a clear scene-by-scene breakdown.

Impact Timeline

Impact Spoiler-Free Summary

Get a quick, spoiler-free overview of Impact that covers the main plot points and key details without revealing any major twists or spoilers. Perfect for those who want to know what to expect before diving in.

Impact Spoiler-Free Summary

More About Impact

Visit What's After the Movie to explore more about Impact: box office results, cast and crew info, production details, post-credit scenes, and external links — all in one place for movie fans and researchers.

More About Impact

Similar Movies to Impact

Discover movies like Impact that share similar genres, themes, and storytelling elements. Whether you’re drawn to the atmosphere, character arcs, or plot structure, these curated recommendations will help you explore more films you’ll love.