Jessica and a slew of passengers are forced to take refuge from a storm at a remote diner when one of the passengers is found stabbed in his seat on a bus to Boston.
It's a bad day for the jurors when Jessica is the foreperson of the jury hearing the case of a man claiming self-defense in the death of an enraged husband.
The night deputy, who has been paying attention to various Cabot Cove ladies, needs Jessica's help when he becomes the prime suspect in his wife's murder.
While on a flight to London, a wealthy woman's chauffeur dies suddenly, and when the priceless necklace he was carrying turns up missing, it becomes a case of murder.