The war is on, and John is taking the offensive.
Worlds collide when John joins forces with a Detroit homicide detective to bring down a sinister organization destroying young lives for financial gain.
The CARR Group, a privatized prison provider, takes the battle to the streets to stop John. Now he must work with a group of unlikely allies from both sides of the law to fight back.
But the enemy has a skilled team of their own, backed by considerable resources.
Against overwhelming odds, how far can John push this crew as he brings the fight to the enemy's doorstep?
The Hard Core is the next adrenaline-fueled blockbuster entry in the John Stone action thriller series.