Grace Quigley (The Ultimate Solution of Grace Quigley) (1985)

Grace Quigley is nearing the end of her life, living alone in her New York apartment. On the day she's being evicted, she witnesses a murder being committed by a top hit-man, Seymour Flint. She proposes to blackmail him into killing her, however, she has one or two friends she wants him to get rid of first.