Marie Marvelle, a Belgian film star, receives threatening letters from a chinaman which demand her famous diamond, the Western Star. Marie visits her old friend Hercule Poirot in London, seeking his help, and Poirot tackles the case with relish.
Genres: Crime , Drama , Mystery
Keywords: 1930s , based-on-novel-or-book , belgian , detective , investigation , murder-mystery , period-drama , private-detective , private-investigator , suspenseful , united-kingdom , watch-series-online