Poirot travels to Cornwall, summoned by a Mrs Pengelley, who suspects her dentist husband is poisoning her because he's fallen in love with his young assistant. Unhappily, Poirot finds Mrs Pengelley dead on his arrival, so he sets out to catch her killer.
Elenco:
David Suchet
,
Hugh Fraser
,
Philip Jackson
,
Pauline Moran
.
