During an annual board of trustees meeting, one of the trustees dies. Miss Marple thinks he’s been poisoned after finding a chemical on him. She sets off to investigate at the ship where he had just come from. The fourth and final film from the Miss Marple series starring Margaret Rutherford as the quirky amateur detective.

When a barmaid and part-time model becomes a murderer's third victim in Chelsea, the only apparent links are to a local reporter, Mary, and three art graduates financing a film with local part-time jobs.

Escaping from China with a microfilm of the formula for the mysterious "Lotus X", Lord Southmere, a Queen's Messenger, is chased by a group of Chinese spies.

Miss Marple believes she's seen a murder in a passing-by train, yet when the police find no evidence she decides to investigate it on her own.

With a flu epidemic running rife, three new bumbling recruits are assigned to Inspector Mills police station. With help from Special Constable Gorse, they manage to totally wreck operations of the police force and let plenty of criminals get away, even before they arrive at the station. They all have to prove themselves or else they'll be out of a job and Sgt. Wilkins will be transferred.

A composer (Laurence Payne) is stuck in a middle-class marriage and finds that his affair with his wife's half-sister (Jane Griffiths) has resulted in a pregnancy. When his wife refuses to give him a divorce he hatches a murder scheme that is too clever by half.

Five oddball criminals planning a bank robbery rent rooms on a cul-de-sac from an octogenarian widow under the pretext that they are classical musicians.

Alice's attempts to reach the children by climbing down the chimney of their grandmother's house result in various people being stranded on the roof. Eventually the Fire Brigade is called.

The exploits of Judy, Joey and Josh and a chimpanzee called Alice.