Seasons & Episodes
Episode 1
It's 1933, and an older and greyer Hercule Poirot receives letters threatening murder. When no-one listens to his appeal
Episode 2
The ABC killer sends more letters promising to spill blood. Hercule's past, integrity and identity come into question wh
Episode 3
With the ABC killer still on the loose, Hercule realises that only he holds the key to the murders. He faces a race agai