
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 suspects a setup when her Irish colleague is charged with murdering his longtime nemesis, who is killed shortly after moving to the United States.

Jessica tries to clear Dr. Hazlitt after he is threatened with a possible malpractice suit when the owner of Cabot Cove's computer company dies.

While in Mexico City, Jessica researches two crimes when a mask stolen from the National Museum is found on the face of a murder victim.

Jessica happens on a computerized clue to a murder while writing a mystery story for a friend's interactive video game company.