Force of Nature: The Dry 2

After freeing a young Bedouin girl from her unjust imprisonment in Jerusalem, an Australian adventuress, together with her devoted police detective friend, begins to unravel a decade-old mystery concerning priceless emeralds, an ancient curse and the disappearance of the girl's mother and massacre of her tribe.

Two strangers strike up a conversation on a long journey. However, neither is who they appear to be, each carry secrets that threaten to ruin them — and in the background, one of the nation's largest police operations is closing in.

Miss Marple and Mr. Stringer are witnesses to the death by heart attack of elderly, rich Mr. Enderby. Yet they have their doubts about what happened. The police don't believe them, thus leading Miss Marple to yet again investigate by herself.

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.

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.