
Mystery writer and amateur detective Jessica Fletcher - a down-to-earth, middle-aged widow - ferrets out the criminals in idyllic Cabot Cove, Maine, which apparently is the murder capital of the United States for the show's 12-season run. Though while traveling, she uncovers a fair number of killers as well.
Jessica pores through a long list of enemies and possible suspects when a janitor (George Takei) finds an obnoxious TV host dead in his office.
Jessica enters the world of boxing in order to help her friend Harry, who is arrested for the murder of a devious boxing manager.
Jessica investigates the murder of one of Cabot Cove's most illustrious citizens, a world-famous artist (Foster Brooks).
One of Jessica's former students, a scriptwriter for a TV show, must find the killer of a network executive or look for another job.