Following the death of an eccentric recluse of Cabot Cove, Jessica is appointed as executor of the woman's estate. As she begins the daunting task of cataloging the contents of her home, Jessica gets roped into helping Sheriff Tupper in the investigation of the murder of the local unscrupulous antiques dealer who was found dead inside the woman's house. They soon discover that an old legend of Benedict Arnold spending time inside the old house may have played a part in the man's death.

Jessica is called to the Showdown Rodeo in Saskatchewan to visit her niece who is doing the rodeo circuit, but a mysterious fire at the local hospital leaves the rodeo physician dead and Jessica finds herself involved in a murder investigation.