Murder, She Wrote S02E10 - Sticks and Stones

After Amos decides to retire early, Cabot Cove gets flooded with dozens of poison pen letters, in an attempt to cover up the surprising murder of a young woman who owns the land that a historic lighthouse is located on. With the help of a visiting travel journalist, it's up to Jessica to aid the new sheriff, Harry Pierce, in figuring who the culprit is.