
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.

Researching a novel, Jessica unravels the mystery of a Thoroughbred trainer's (Mickey Rooney) murder.

In Ireland, the son of Jessica's friend (Fionnula Flanagan) is accused of killing another family member (Andrew Robinson).

Jessica investigates her accountant and uncovers his gambling, an illegal casino and a police officer's murder.

A man (George Segal) who claims Jessica's novel closely resembles the story of his first wife's murder sues Jessica.