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Poirot: The Yellow Iris - The Armchair Anglophile
A balding man with a moustache and Geraldine Somerville make their way across a graveyard and lay a bunch of yellow iris on the grave of a woman named Iris Russell, who died in 1934 aged 32. Geraldine (Pauline here) refers to the man as Barton and pleads with him about something mysterious. He tells her not to stop him, because he has to do …