Poirot and Hastings are on holiday in Deauville and receive a visit from Paul Renauld, who believes he's being cheated by Chileans. Renauld is kidnapped and his body is later found buried in a new golf bunker. French detective Giraud unwisely challenges Poirot to catch the killer before he can. Meanwhile, Hastings is diverted by love - he has fallen heavily for an actress called Dulcie Duveen. Dulcie has a twin sister called Bella. And one of them appears to be mixed up in the killing of Renault.

The episode was rated 7.84 from 148 votes.

A string of thefts at a student hostel run by Miss Lemon's sister ends in death, and Poirot has a number of plots and sub-plots to untangle, including smuggling and political manipulations. A certain mouse is the only witness to a string of murders and it also features at the climax. Meanwhile, Poirot invites Japp to stay with him while Mrs Japp is away. Hastings is also off on his travels, and the dim police inspector vies with Poirot over the cooking.

The episode was rated 7.84 from 146 votes.

Poirot's Christmas is interrupted by Simeon Lee, who believes his life is threatened. Simeon is soon killed and his diamonds stolen, and there is no shortage of down-trodden Lees on hand who might have done the deed.

The episode was rated 7.89 from 168 votes.

Poirot and Hastings are at Lake Windermere for an attempt on the world speed-boat record. Two sisters have premonitions of danger. Soon a rich elderly widow is hurt by falling down stairs, then later she is killed by poisoning with phosphorus. The "dumb witness" Poirot must fathom to solve the mystery is a dog.

The episode was rated 7.97 from 139 votes.