Wrath of Man

In Los Angeles, there is a robbery of a Fortico Security armored truck where two security guards and a witness die. Five months later, the Fortico Security company hires the British Patrick "H" Hill to work as armored truck guard. The manager Terry approves his references from London and H is ready to be trained by the supervisor Bullet. In his first assignment, Bullet is taken hostage by the thieves, and H controls his colleagues Boy Sweat Dave that is panicked and Dana Curtis and kills the robbers, saving Bullet. He also checks the face of each criminal. Two FBI agents question H, but their chief, Agent King, orders to release him. H becomes a hero for his colleagues that are impressed with his skills. Who is H and what is his agenda?