After a Black Friday riot ends in tragedy, a mysterious Thanksgiving-inspired killer terrorizes Plymouth, Massachusetts, the birthplace of the infamous holiday.

As late summer 1951 descends on Elmira, New York, Myra Larkin, thirteen, the oldest child of a large Catholic family, meets a young man she believes to be Mickey Mantle. He chats her up at a local diner and gives her a ride home. The matter consumes her until later that night, when a triple homicide occurs just down the street, opening a specter of violence that will haunt the Larkins for half a century. As the siblings leave home and fan across...