: A mysterious killer travels across England, leaving an "ABC Railway Guide" at each crime scene—starting with Alice Ascher in Andover.
: Hercule Poirot, joined by his usual companions, Captain Hastings, Chief Inspector Japp, and Miss Lemon. [S4E1] The ABC Murders
: While Alexander Bonaparte Cust is initially suspected, Poirot ultimately exposes Franklin Clarke as the true mastermind behind the murders. : A mysterious killer travels across England, leaving
The first episode of Series 4 of , titled " The ABC Murders ", features David Suchet as the iconic detective Hercule Poirot. joined by his usual companions