A Greek Orthodox priest and a police detective team up once again in Detroit, this time to solve the brutal murder of a priest. The department is calling the case a robbery gone bad, but Father Fortis and Christopher Worthy believe it was more personal. To solve the mystery, they must delve into Father Spiro's troubled psyche. Neither is prepared for the evil that threatens them both.

A Detroit detective and an Orthodox priest team up to solve two mysteries unfolding in the Santa Fe area: a missing person's case involving a teenage girl and the ritualistic murder of a young nun. Their dangerous quest will require them to delve into the secret lives of Trappist monks and alienated teenagers and gain insight into obscure religious practices and the cultures of the Southwest.