“Book Descriptions: Elinor Carlisle and Roddy Welman are the model English couple, perfect companions set for a life of ease when they inherit Aunt Laura's considerable fortune. But a poison pen letter begins a chain of events which is to end in tragedy. Enter Hercule Poirot to investigate. John Moffatt stars as the great Belgian detective in this BBC full-cast radio drama.
1/5 A poisoned pen letter triggers a trail of murder and deceit for Hercule Poirot. 2/5 Elinor and Roddy's invalid aunt has died - but a tube of morphine has gone missing. 3/5 Who poisoned Mary Gerrard? Belgian sleuth Hercule Poirot is called in to find the killer. 4/5 As Hercule Poirot unravels the threads, it seems Mary wasn't the first victim. 5/5 As Elinor stands accused, Hercule Poirot reveals evidence of greed and deceit.
First broadcast on BBC Radio 4 - 14 May to 11 June 1992.” DRIVE