Retaliation

An MI5 agent goes missing while undercover within an IRA terrorist faction, leaving Julian Mercer and his team tasked with both preventing an imminent attack and uncovering the truth behind the agent’s disappearance. As Mercer delves deeper into the terrorist cell, he faces dangerous decisions that blur the line between ally and enemy, risking his own safety to stop a looming threat. This fast-paced thriller explores trust and deception at the highest levels of covert operations.