E1 • Episode 1

1. 43min
2. TV-14
3. CC
4. HD

1933. Hercule Poirot is older, greyer and fallen out of the public eye. When he receives anonymous letters threatening murder he must take matters into his own hands.

E2 • Episode 2

1. 42min
2. TV-14
3. CC
4. HD

Hercule is held in deep suspicion by Scotland Yard and the A.B.C. killer sends more letters promising to spill blood. Against a background of rising xenophobia in Britain, Hercule’s past, integrity, and identity come into question.

E3 • Episode 3

1. 41min
2. TV-MA
3. CC
4. HD

At last, the police put their faith in Hercule’s theories. But the A.B.C. killer is still on the loose and is promising to kill again. Hercule realizes that only he holds the key to the murders.

E4 • Episode 4

1. 42min
2. TV-MA
3. CC
4. HD

Hercule faces a race against time to stop the bloodbath. Just as the police believe they have caught their man, Hercule suspects further artifice.