In the wake of another murder, Poirot and Crome begin to narrow in on the killer.

Cast: John Malkovich, Conrad McCroddan, Rupert Grint, James Cooney, Freya Mavor, Andrew Buchan, Anya Chalotra, Eamon Farren, Michael Shaeffer, Jonathan Keeble, Tara Fitzgerald, Bronwyn James, Lizzy McInnerny, Jack Farthing, Alexander Kirk