Synopses & Reviews
They are formidable enemies in their own rights: a French scientist, an American millionaire, a brilliant Chinese gentleman, and a master of disguise. But together they are the Big Four, a partnership with one simple goal--murder. Hercule Poirot has never come up against an opponent so vicious . . . or so deadly.
The champion deceiver of our time. (New York Times)
An emaciated stranger stumbles into Poirot's flat, shouts warnings of "the big four" and drops dead. Perplexing. Unfortunate. And for Poirot, an invitation to investigate.
An emaciated stranger approaches Hercule Poirot, shouts a warning about "the big four" and drops dead. Who knew Poirot's inquiry into the man's odd behavior would lead to an underground laboratory, an insane asylum, and rumors of a secret weapon?