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Plot summary

Evil Under the Sun (1982) Plot Summary & Timeline

Evil Under the Sun (1982) movie poster

Evil Under the Sun is a 1982 drama and mystery film directed by Guy Hamilton, running 1 hour 57 minutes. This page retells the whole story in 302 words (about 1 minute to read) and covers 13 key events in order, 3 characters, where and when it is set and 2 themes. Looking for the cast, ratings and where to stream it? See the movie page for Evil Under the Sun.

to read the plot summary
1 min
key events in the timeline
13
characters profiled
3
themes explained
2
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Evil Under the Sun (1982) movie poster
Released
Runtime
1h 57m
Director
Guy Hamilton
Genres
Drama, Mystery
Original language
English
No spoilers

What Is Evil Under the Sun About?

The premise of Evil Under the Sun in 292 words, with nothing given away. The full story follows below.

In the sun‑drenched luxury of a secluded Adriatic resort, the tranquil rhythm of turquoise waves and pastel villas masks a world of whispered intrigues. The island, a playground for the affluent and the famous, thrives on a veneer of elegance where every cocktail party and sunrise swim feels like a scene from a timeless romance. Yet beneath the glittering façade, the air is tinged with an undercurrent of restless curiosity, as guests drift between polished conversation and the secrets they are desperate to keep hidden.

Enter the meticulous mind of Hercule Poirot, the celebrated Belgian detective whose reputation for razor‑sharp deduction precedes him. Drawn to the resort by a request that promises more than a leisurely vacation, Poirot brings his trademark blend of precision, charm, and an almost theatrical flair for observation. He moves through sunlit promenades and opulent salons with a calm awareness that everything—gesture, glance, a misplaced cufflink—might be a clue waiting to be uncovered.

Among the glittering crowd is Arlena Marshall, a glamorous actress whose presence adds a touch of cinematic allure to the already lavish setting. Her charisma and status attract a circle of admirers, rivals, and those who hover just out of the spotlight, each subtly shaping the social tapestry. The dynamic between Poirot’s measured logic and the resort’s flamboyant personalities creates a compelling tension, hinting at deeper layers of motive and desire that lie just beyond the surface.

As the sun hangs high and the evenings glow with soft lantern light, the resort becomes a stage where polished façades begin to crack, inviting Poirot to peel back the layers of deception. The atmosphere is one of sophisticated suspense—beautiful, breezy, yet undeniably charged with the promise that beneath the radiant exterior, something unsettles the perfect holiday tableau.

Full plot

What Happens in Evil Under the Sun?

The complete story of Evil Under the Sun, from the first scene to the last, in 302 words (about 1 minute). Spoilers throughout. Names in the text link to 2 cast member pages.

Spoilers ahead

The enigmatic Belgian detective Hercule Poirot arrives at what seems to be a serene vacation paradise located on an enchanting island in the Adriatic Sea. However, beneath the idyllic surface lies a dark reality where evil is not reserved for the shadows, as it can lurk even in the most beautiful corners of the world.

The tranquility of the resort is shattered when the former actress, Arlena Marshall, known for her ability to repel those around her, is found strangled on the sandy beach. This shocking event leaves everyone at the resort as potential suspects, each harboring their own motives for wanting her dead, though they all maintain seemingly watertight alibis. Amid the chaos of accusations and whispered secrets, Poirot’s keen investigative instincts are put into action.

As he delves deeper into the mystery, Poirot uncovers that the murderer is none other than Patrick Redfern, James Mason, Arlena’s lover, who had been brazenly conducting their affair in full view of his unsuspecting wife. Patrick’s desire to reclaim a stolen diamond—a precious gift he had once given to Arlena—leads to the fatal confrontation. Surprisingly, it is revealed that his wife was not only aware of the affair but was also complicit in her husband’s machinations. Together, they orchestrated an elaborate scheme designed to mislead Poirot, which included Patrick’s wife temporarily impersonating Arlena after the tragedy had already occurred.

The plot thickens as Poirot discovers connections to another murder case that had previously been dismissed as the work of a vagrant—hinting at a deeper web of deceit and betrayal at play. This captivating narrative unfolds against the backdrop of a sun-soaked paradise, demonstrating that even amid beauty, sinister intentions can flourish. Through meticulous deduction and unparalleled skill, Poirot must untangle the threads left behind by the murder to bring the true culprit to justice.

Timeline

Evil Under the Sun Timeline: Every Key Event in Order

13 key events in the order they happen, from “Arrival at the Island” to “Departure from the Island”. 9 events name a place, across 3 locations.

  1. 1

    Arrival at the Island

    Hercule Poirot arrives at a beautiful vacation island in the Adriatic Sea, expecting a relaxing holiday. Unbeknownst to him, dark secrets lurk beneath the island's picturesque facade.

    Where:Adriatic Sea

  2. 2

    The Murder Discovery

    The tranquility of the island is shattered when former actress Arlena Marshall is discovered strangled on the beach. The local authorities are called, and the guests are thrown into a state of shock.

    Where:Resort Beach

  3. 3

    Poirot Takes Charge

    As the detective, Hercule Poirot offers his services to investigate the murder. Each guest at the resort becomes a suspect, with Poirot quickly realizing that everyone had a potential motive.

    Where:Resort Hotel

  4. 4

    Suspicions Rise

    Poirot interviews the guests, uncovering layers of secrets and resentments. The complexity of human emotions becomes evident, as most guests claim to have alibis at the time of the murder.

    Where:Resort Hotel

  5. 5

    Revelation of the Affair

    During his investigation, Poirot learns about the affair between Arlena and Patrick Redfern. The relationship had become a source of conflict, affecting not only Patrick's marriage but also other guests.

  6. 6

    The Diamond Theft

    Investigation reveals that a valuable diamond, previously in Patrick’s possession, had been stolen. The diamond becomes a crucial focus for Poirot, hinting at deeper motives behind the murder.

  7. 7

    Patrick's Wife's Role

    Poirot discovers that Patrick's wife was not only aware of the affair but had a hand in the ruse to misdirect the investigation. Her seemingly supportive demeanor raises suspicions about her involvement.

  8. 8

    The Impersonation Scheme

    In an elaborate trick, Patrick's wife impersonates Arlena after her murder to throw Poirot off the scent. The cunning plan reveals the lengths to which they would go to protect themselves.

    Where:Resort Hotel

  9. 9

    Link to a Previous Murder

    Poirot connects the dots between Arlena's murder and a previous unresolved case involving a vagrant. This discovery opens up new avenues for investigation and reveals a pattern of deceit.

  10. 10

    Confronting Patrick

    Confronted by Poirot, Patrick attempts to defend his actions regarding the affair and the murder. His alibi begins to crumble as Poirot lays out the evidence against him.

    Where:Resort Hotel

Show the other 3 events of Evil Under the Sun
  1. 11

    Final Revelation

    In a dramatic unveiling, Poirot reveals the truth behind Arlena's murder, exposing Patrick and his wife's conspiracy. The motives tied to jealousy and greed come to light, shocking the other guests.

    Where:Resort Hotel

  2. 12

    Justice Served

    As the authorities take Patrick and his wife into custody, the other resort guests find closure. Poirot reflects on the nature of evil, recognizing that it can exist even in paradise.

    Where:Resort Hotel

  3. 13

    Departure from the Island

    With the case resolved, Poirot prepares to leave the island, contemplating the darker side of human nature. He departs, leaving behind the chaos and treachery that once plagued the idyllic location.

    Where:Adriatic Sea

Characters

Who Are the Main Characters in Evil Under the Sun?

3 characters, among them Hercule Poirot, Arlena Marshall and Patrick Redfern: who each one is and the part they play in the story.

  • HP

    Hercule Poirot

    Hercule Poirot is a brilliant Belgian detective known for his meticulous attention to detail and psychological insight. In this film, he confronts a web of lies and motives surrounding a murder case that disrupts the serene environment of a vacation paradise. Poirot's charm and intellect allow him to navigate complex relationships among the suspects.

    • 🕵️‍♂️ Detective
    • 🎩 Elegant
  • AM

    Arlena Marshall

    Arlena Marshall is a former actress who exudes charisma but leaves a trail of alienation in her wake. Her character embodies both allure and tragedy, as her actions lead to deadly consequences. Arlena’s tumultuous relationships reveal a woman caught in the throes of passion and jealousy.

    • 🌹 Actress
    • 💔 Tragic
  • PR

    Patrick Redfern

    Patrick Redfern is Arlena’s lover, whose motives are driven by greed and desire. His duplicitous nature becomes evident as Poirot unravels the mystery, revealing Patrick’s desperate attempts to reclaim a stolen diamond. The character highlights how passion can incite crime and lead individuals down a treacherous path.

    • 💎 Lover
    • 🕵️‍♂️ Manipulative
Setting

Where and When Is Evil Under the Sun Set?

Evil Under the Sun is set in Adriatic Sea and resort island. Here is why the place matters to the story.

When

The movie is set in a timeless era of vintage glamor and mystery, reminiscent of classic detective stories. The social dynamics and fashion reflect a period where elegance is challenged by sinister motives. Although the exact time frame is not specified, the atmosphere suggests a relatively recent past without modern distractions.

Where

Adriatic Sea, resort island

The movie takes place on a beautiful resort island in the Adriatic Sea, known for its serene beaches and picturesque views. This idyllic setting contrasts sharply with the dark events that unfold, as a murder disrupts the tranquility. The island serves as a microcosm where secrets and motives lie hidden beneath the surface.

  • 🏝️ Island
  • 🌊 Sea
Themes

What Are the Themes of Evil Under the Sun?

2 ideas the story keeps returning to, among them Mystery and Betrayal.

  1. 01

    Mystery

    A central theme of the movie is the unraveling of a complex murder mystery. Hercule Poirot's investigation reveals the darker side of human nature, showcasing how appearances can be deceiving. The theme highlights the lengths to which individuals will go to conceal their secrets and the intricate relationships that can lead to betrayal.

  2. 02

    Betrayal

    Betrayal plays a significant role, particularly in the relationships between characters. The affair between Patrick and Arlena demonstrates how love can intertwine with deception, leading to tragic outcomes. This theme underscores the destructive power of jealousy and the unexpected alliances that can form amid scandal.

Tone & mood

What Kind of Film Is Evil Under the Sun?

Tense in tone, with steady pacing and a moderate story, going by the plot summary.

Tone
Tense
Pacing
Steady
Story
Moderate
Intensity
Medium
Ending
Happy

A tense, sun-drenched mystery where a cerebral detective uncovers a web of deception and murder among glamorous guests at an idyllic resort, creating a suspenseful and deceptive atmosphere.

  • suspenseful
  • deceptive
  • mysterious
  • glamorous
  • sun-drenched
  • cerebral
  • crime investigation
  • murder mystery
  • secrets and lies
  • adultery

Content notes: murder, strangulation.

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6 films close to Evil Under the Sun in story and themes that have a full plot summary here: Killer Heat (2024) and Innocents with Dirty Hands (1975) lead. 1 of them comes with the ending explained.

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FAQ

Evil Under the Sun Plot Questions

5 quick answers about Evil Under the Sun, taken from the plot summary, character guide and setting on this page and the film’s credits.

What is Evil Under the Sun about?

In the sun‑drenched luxury of a secluded Adriatic resort, the tranquil rhythm of turquoise waves and pastel villas masks a world of whispered intrigues.

Read the full plot summary

When and where does Evil Under the Sun take place?

Evil Under the Sun is set in Adriatic Sea and resort island. The movie is set in a timeless era of vintage glamor and mystery, reminiscent of classic detective stories. The social dynamics and fashion reflect a period where elegance is challenged by sinister motives.

The setting explained

Who are the main characters in Evil Under the Sun?

The story follows Hercule Poirot, Arlena Marshall and Patrick Redfern.

All the characters

What are the main themes of Evil Under the Sun?

The summary picks out 2 themes: Mystery and Betrayal.

The themes explained

Who directed Evil Under the Sun?

Evil Under the Sun (1982) was directed by Guy Hamilton and runs 1 hour 57 minutes.

Guy Hamilton’s films

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