"The Outer Limits" The Forms of Things Unknown (TV episode 1964) - IMDb
…I am still unable to find the title, but I did see it and can still recollect the scene in which it happened. There are two chairs, one a sofa chair facing each other. There is a woman seated in one chair and the woman who is to poison herself in the other on the right. There is an evil looking man standing beside her chair telling her she must do it. There is a woman seated on the arm of the other chair and still another woman standing next to her. She refuses to do as the ask and the leaves, runs out into the street and just walks until she encounters a man whom she knows but runs away from.