Jessica Fletcher boards a train to El Paso, Texas, and shares a table with a mysterious woman who disappears, leaving behind her purse. The case unfolds when Jessica receives a message intended for the woman, leading to an attack and a demand for "it", a term she's unfamiliar with. She's aided by a journalist and despite warnings from an FBI agent, continues to investigate, following clues to Agua Verde, where the woman is believed to reside, only to find a complex and sinister mystery unfolding.
Murder, She Wrote: South by Southwest
A retired detective, Jessica Fletcher, boards a train to investigate the disappearance of a fellow passenger, only to find herself the target of a mysterious attack.