Following the death of his wife, Andrew Lockney is assigned a special mission codenamed Two Forty-Six, but Andrew and everyone involved with the mission become prey to a mysterious killer.
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.
A murder investigation is reignited in a house that is considered haunted by the Lawrenceton locals and where years ago Aurora and Sally, as teenagers, discovered a body.
An opulent beach resort provides a scenic background to this amusing whodunit as Poirot attempts to uncover the nefarious evildoer behind the strangling of a notorious stage star.