Alfred Hitchcock Presents S06E37 - Make My Death Bed

Taylor has an affair with a man named Bishop Darby. Darby's wife, Jackie gives her "friend" Elise, a bottle of saccharin and tells her to make sure that Darby stays on his diet.. Later, however, Darby is killed when Elise's husband catches him with his wife. When Jackie hears the news, she confesses to the murder, believing that the poisoned saccharin did the job. Meanwhile, Elise is drinking a cup of coffee.....