Evil Under the Sun — A Hercule Poirot Mystery

Evil Under the Sun Review

Published in 1941, Evil Under the Sun is one of Agatha Christie’s most purely enjoyable novels — a sun-drenched puzzle in which the pleasure of the setting is matched by the precision of the plotting. Poirot on holiday at a Devon island hotel is a formula that Christie had tested before, and by this point in her career she had perfected it.

The victim is Arlena Marshall, a beautiful and universally resented actress staying at the Jolly Roger Hotel on Smugglers’ Island. Christie assembles her ensemble with characteristic efficiency: the jealous wife, the indifferent husband, the earnest American, the vicar’s wife, the retired military man. Each is a recognisable type, and each conceals something. The island setting is important — Smugglers’ Island is a closed environment, not as rigidly so as the Orient Express or a country house snowbound in winter, but enclosed enough that the suspect list is fixed.

What distinguishes Evil Under the Sun from Christie’s lesser holiday mysteries is the ingenuity of the central alibi construction. The murder is committed during a period when, as far as anyone on the island can testify, the victim was still alive. Christie’s plot depends on a piece of theatrical deception that is, in retrospect, so obvious that readers who miss it feel pleasantly foolish and readers who catch it feel genuinely clever. Both responses are the mark of fair-play detection at its best.

Poirot’s final summation — which Christie was occasionally guilty of making overlong — is here admirably concise. The explanation snaps into place rather than being explained to death, and the culprit’s composure during it is quietly chilling.

Our rating: 4.3/5 — Christie in her warmest, most pleasurable mode, with a central trick worthy of her finest work.

Reading Guides

• Agatha Christie Books in Order: Hercule Poirot, Miss Marple, and More (2026)

Publication History and Setting

Evil Under the Sun was published in June 1941 by Collins Crime Club, with an initial print run consistent with Christie’s wartime output. The novel’s Jolly Roger Hotel is closely modelled on the Burgh Island Hotel in Devon — a real Art Deco hotel on a tidal island reachable only on foot at low tide or by sea tractor. Christie knew it well; she completed And Then There Were None there in the late 1930s, and the island’s isolation lent itself naturally to closed-circle murder plots. The hotel is still in operation.

Arlena Marshall, the glamorous actress killed on the beach, is one of Christie’s most vividly drawn victims: a woman whose beauty functions as both her identity and her destruction. Poirot’s investigation requires him to understand not only how she was killed but why her presence disturbs the other guests so profoundly — and the answer involves a careful reconstruction of time and motive that is among Christie’s most elegant solutions.

Film Adaptation

The 1982 film adaptation, directed by Guy Hamilton, starred Peter Ustinov as Hercule Poirot in his second appearance in the role. The supporting cast was exceptional: Diana Rigg as Arlena Marshall, Maggie Smith as Miss Darnley, James Mason as Odell Marshall, Roddy McDowall, Nicholas Clay, and Jane Birkin. The film transferred some characters and plot elements from other Christie novels and received generally positive reviews as an example of the glossy, all-star Christie adaptations that Ustinov made popular in the 1980s. A 2001 ITV adaptation with David Suchet’s Poirot is considered closer to the source material.

Christie’s Method

The impossible-alibi solution — in which the apparent time of death is shown to have been manufactured — is one of Christie’s favourite structural moves, and Evil Under the Sun executes it with particular economy. The physical staging of the crime, in a cove overlooked by sunbathers who all confirm seeing the victim alive at a specific time, is constructed so that every confirmation is part of the alibi rather than independent evidence against it. Christie’s genius was to make the false evidence feel like the most natural background detail — the detail that nobody questions precisely because it seems so thoroughly observed.

The novel sits comfortably in the golden period of the Poirot series, alongside Death on the Nile (1937) and And Then There Were None (1939), as a demonstration of how much could be achieved in the closed-community format by an author who had mastered it completely.

Christie’s Devonshire

Agatha Christie owned Greenway House on the Dart Estuary in Devon from 1938 until her death in 1976, and the county’s coastal geography appears repeatedly in her fiction. The Jolly Roger Hotel’s isolated cove is modelled on the kind of landscape Christie walked regularly, and the novel’s physical staging — the beach overlooked from multiple positions, the timing of the tides — reflects direct geographical knowledge. Christie described Evil Under the Sun as one of the novels she most enjoyed writing, partly because the holiday setting allowed the social comedy that she preferred to the darker material of her psychological thrillers.

The Closed Circle

Christie’s mastery of the closed-circle mystery — a finite group of suspects, an isolated location, an impossible crime — reached its formal peak in the 1937–1941 period, which also produced Death on the Nile (1937) and And Then There Were None (1939). In Evil Under the Sun, the holiday hotel provides the closure: everyone is there for pleasure, everyone is observed, everyone has an alibi. The impossibility is constructed around the alibi rather than the crime, which is Christie’s inversion of the standard formula: here the crime is straightforward and the alibi is the mystery. Poirot’s solution requires understanding how an apparently perfect alibi was manufactured from the observers’ assumptions.