J. D. Zeik

​In a ruthless underground tournament, the world's top assassins fight to the death. But hidden among them is a rogue crew with its own deadly agenda: infiltrate the competition, survive the bloodbath, and take down the mastermind pulling the strings.

A briefcase with undisclosed contents – sought by Irish terrorists and the Russian mob – makes its way into criminals' hands. An Irish liaison assembles a squad of mercenaries, or 'ronin', and gives them the thorny task of recovering the case.