Four shadowy masterminds are pulling the strings of a global conspiracy, and only Hercule Poirot stands in their way. This sinister group, known as the Big Four, wields power through wealth, science, strategy, and death, leaving a trail of intrigue and danger in their wake. With his trusted friend Captain Hastings, Poirot races to unravel their schemes, facing deadly traps and brilliant disguises at every turn. As the stakes rise, his unmatched intellect becomes the world's last line of defense against chaos.
The Big Four reflects Agatha Christie's versatility, blending her signature detective style with espionage and international intrigue. Written during the interwar period, the novel captures the era's fears of secret societies and global conspiracies, resonating with contemporary anxieties. It also showcases Hercule Poirot in a new light, pitting his intellect against shadowy figures of immense power. As one of Christie's more action-driven works, it highlights her ability to adapt mystery conventions to broader, more suspenseful narratives.