When a beloved chiropractor in Sauquoit New York dies suddenly under strange circumstances, investigators discover she was murdered with a rare poison. The killer could only be someone she knew closely, and the case divides the town.

When an immigrant couple who settled in the Tennessee town of Cookeville is executed in their sleep and their house set on fire, investigators quickly identify a suspect with motive. But in their rush to make an arrest, do they get the wrong man?