Set in the 1950s in the fictional village of Kembleford, the series follows Roman Catholic priest Father Brown who has a knack for solving crimes. He is assisted by parish secretary Bridgette McCarthy and is often a source of frustration for the local police.
A dedicated, strait-laced FBI agent and a street-smart CIA agent are part of a new, clandestine taskforce charged with solving and preventing domestic terrorism in and around New York City.