Jessica (Angela Lansbury) is invited to visit the island retreat of a millionaire (Gene Barry) who believes his life is in danger.
While staying in an opulent hotel, courtesy of Grady's fraternity brother Gary, Jessica must clear Grady of a woman's murder that was tied to Gary's past and blackmail.
Lilly and the team investigate the 1981 case of a missing single mother after her body is found in the trunk of a car. They soon discover that she was resented by many of her coworkers at a seedy car dealership.