Hannah Swensen, owner of The Cookie Jar bake shop, is surprised by the news that her companion, Norman Rhodes, is buying a house. Soon after Hannah and her mother arrive to clear out the house, they discover the dead body of the former owner, Rhonda Scharf, along with some of Hannah's famous lemon meringue pie. Hannah must switch her baker's hat for her sleuthing cap and get to the bottom of this puzzling mystery.