The Big Four

A mysterious man collapses at the entrance of Hercule Poirot's bedroom, prompting the renowned detective to unravel the identity of the stranger and the circumstances surrounding his fainting. As Poirot delves into this unexpected puzzle, he must piece together clues that reveal deeper secrets and connections, showcasing his unparalleled deductive skills. The encounter promises suspense and intrigue, characteristic of Poirot's thrilling investigations.