Curtain: Poirot's Last Case

The crime-fighting careers of Hercule Poirot and Captain Hastings have come full circle - the are back once again in the rambling country house in which they solved their first murder together.
Both Poirot and Great Styles have seen better days - but despite being crippled with arthritis, there is nothing worng with the great detective's 'little grey cells'. However, when Poirot brands one of the seemingly hamrless guests a five-times murderer, some people have their doubts. But Poirot alone knows he must prevent a sixth murder before the curtain falls...