Back to the Streets of San Francisco

Faced with two false confessions and numerous suspects after a despised civil magistrate is found shot in the local vicarage, Detective Inspector Slack reluctantly accepts help from Miss Marple.

During a murder hunt game at a country house, to which Hercule Poirot is invited as an "expert", a real murder occurs.

In Acapulco, Hercule Poirot attends a dinner party in which one of the guests clutches his throat and suddenly dies. The causes seem to be natural until another party with most of the same guests produces another corpse.

Travelling on the 4.50 from Paddington, Mrs McGillicuddy witnesses a murder on a passing train - but where is the body?

Two veteran New York City detectives work to identify the possible connection between a recent murder and a case they believe they solved years ago; is there a serial killer on the loose, and did they perhaps put the wrong person behind bars?