As the personal threats against him intensify, Clement digs deeper into Anthony's murder, clashing with DS Vanloo, who disagrees with his methods; a new revelation forces Clement to face the fact that the killer lies within his own congregation. 

Clement believes that Anthony and Ned's murders are connected to wartime secrets, but DS Vanloo disagrees; as Vanloo investigates Ned's wife, Jane, Clement angers Bernard and the bishop with his behavior, which worries Audrey.