The Peerless Little Veterinarian

More than a dozen gun barrels were pointed at his head, as if to say, "Make one move and you'll be going home in a coffin." He gave in and accepted the mission to uncover his origins. Once a legendary military medic who had dominated the underworld, overnight he fell to the status of a nepotism hire, an intern doctor living off a woman. Had he killed more people in the past, or saved more in the present? One hand heals, the other kills. Is he an angel or a devil?