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Jessica (Angela Lansbury) is among those in attendance at a literary awards convention when murder strikes. The victim is a novelist who had showed up toting a rather volatile unpublished manuscript. Although Jessica is not among the suspects, one of her close friends is under suspicion, obliging her to do her trademarked surreptitious snooping. Unfortunately, this is a particularly difficult case, inasmuch as virtually everyone else at the convention had a motive for murder--and the clues are not only plentiful, but wildly contradictory! Ron Masak, later seen on Murder She Wrote in the semi-regular role of Sheriff Mort Metzger, is here cast as Lieutenant Meyer.