Nothing will ever be the same again .
In the heart of Philadelphia's badlands, Homicide Detectives Byrne and Balzano are called out to a particularly chilling crime scene.
Once the pillar of the neighbourhood, an abandoned church has become a killing room.
At first it looks like a random act of violence.
But then a second body is found, and a third.
Each crime scene more disturbing than the last, each murder more brutal.
And it soon becomes horrifyingly clear th.