"How many angels must fall to spare one human life?"

Criminal profiler Pete Sullivan knows evil. When the disgraced ex-seminarian responds to a murder scene at a cathedral, he's certain nothing can shock him. But the moment he steps into the carnage, the nature of the archbishop's murder leaves him reeling.

Pete steels himself to do his job, but he must partner with a person from his past. Her mercurial behavior complicates the investigation. Pete follows clues to another sensationalized crime that could lead to more tragedy.

As he strives to overcome his emotional torment, solve the case, and redeem himself, has the lurking evil set Pete up for his own death?