
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.

While visiting an old friend (Dina Merrill) who runs a Monte Carlo hotel, Jessica investigates the murder of a ruthless businessman with numerous enemies.

While in London, Jessica becomes involved in a murder cover-up by the British Intelligence Agency when she happens upon a disappearing corpse.

Jessica finds herself amid international espionage while attending a trade reception in Washington, D.C.

Jessica is convinced that a ballerina who died during her premiere performance in a new ballet was actually murdered.