The Big Four

International intrigue unfolds as Hercule Poirot, alongside Arthur Hastings and Inspector Japp, investigates a mysterious death linked to a notorious crime cartel known as the Big Four. The story begins when a visitor named Mayerling collapses in Poirot's bedroom, cryptically mentioning the detective's name and the number four. As they delve deeper, Poirot uncovers the identities of the cartel's leaders: a Chinese mastermind, a likely American, a Frenchwoman, and the elusive "Destroyer," setting the stage for a thrilling pursuit.