Country squire Marcus Waverly calls on Poirot for help in dealing with kidnap threats against his son. Hastings is appalled by the thought of someone going around kidnapping children and it becomes a race against time to find the identity of the mystery letter writer.
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