AdaptationDB

Set in the summer of 1917 in an Essex country estate, the story follows the war-wounded Captain Arthur Hastings to the Styles St. Mary manor of his friend John Cavendish. The Cavendish household is wrought with tension due to the marriage of John's widowed old aunt Emily, she of a sizeable fortune, to a suspicious younger man, Alfred Inglethorp, twenty years her junior. Emily's two stepsons, John and Lawrence Cavendish, as well as John's wife Mary and several other people, also live at Styles. Late one night, the residents of Styles wake to find Emily Inglethorp dying. When Emily's sudden heart attack is found to be attributable to strychnine, Hastings, who had runs into his old friend, the Belgian Hercule Poirot, he recruits him to aid in the local investigation.

Adaptations (1)

The Mysterious Affair at Styles was adapted into a 1989 television film.

  • Poster for The Mysterious Affair at Styles
    The Mysterious Affair at Styles
    1989 · television film · 103 min · dir. Ross Devenish · IMDb ↗
    IMDb7.9

    Hastings renews his friendship with Poirot and involves him in the mysterious poisoning of the mistress of a manor house married to a man twenty years her junior.