Parallel to Poirot’s investigation, we follow a troubled, traveling stocking salesman named Alexander Bonaparte Cust , who is seen in the vicinity of the murders, though his direct involvement remains ambiguous initially. Cast and Characters

When Poirot brings the letters to Scotland Yard, he finds his old ally Inspector Japp has died. He is met with hostility by the new Inspector Crome , who views the Belgian detective with suspicion and disdain.

This feature covers the first episode and general details of the 2018 BBC mini-series adaptation of Agatha Christie's . Series Overview