 A tour of Plummer s famous relish factory ends in tragedy when one of the visitors is crushed against towers of relish bottles and dumped naked into a 200-degree sterilizer. When the dead man is found to be an executive with rival company Fieldway Foods, Barnaby and Scott s investigation uncovers many secrets and lies among the Plummer family. Someone is also trying to frighten matriarch Amelia Plummer. But who feels strongly enough about Plummer s Relish to commit murder?