Ep 1. A Pocket Full of Rye

Agatha Christie's Marple season 4 episode 1, titled "A Pocket Full of Rye," follows the investigation of a baffling murder case by amateur sleuth Miss Marple. When wealthy businessman Rex Fortescue dies suddenly after consuming his morning tea, it is initially assumed to be a case of accidental poisoning. However, further examination reveals that the cause of death is actually a fatal dose of taxine - a rare poison extracted from the yew tree.

As the investigation unfolds, Miss Marple discovers that the victim's past is shrouded in mystery, and that his recent acquisition of a London confectionery company may have something to do with his death. Along with Inspector Neele of Scotland Yard, Miss Marple sets out to unravel a complex web of motives, secrets, and lies that lead her into the heart of the British aristocracy.

As the plot thickens, it becomes clear that there are many possible suspects in the case - from Fortescue's disgruntled employees to his estranged family members. When another member of the Fortescue family also dies under mysterious circumstances, a sense of urgency is added to the investigation. Miss Marple must work quickly to prevent any further deaths and bring the killer to justice.

Full of twists, turns, and surprises, "A Pocket Full of Rye" is a gripping whodunit that will keep viewers guessing until the very end. With superb performances, beautiful cinematography, and a richly detailed setting, this episode of Agatha Christie's Marple is a must-watch for fans of classic mystery and suspense.