Stone Rage — J.D. Weston

To come out on top, he must live undercover...When Detective Inspector Frank Carver sends his newest team member undercover, he has no idea of the consequences. Harvey Stone, a reformed criminal, fits the criminal world like a glove, and before too long, he is in deeper that Carver ever envisaged.A war is starting, and the criminal factions are gathering. Only this time, a new leader is rising, and he takes revenge very seriously.Can DI Carver sit back and watch his best man turn rogue? Or will he pull Harvey out and risk the lives of his entire team?