Táto séria sleduje napínavé intrigy a nebezpečné hry tajných agentov pracujúcich v utajení. Každý príbeh prináša nové zvraty a morálne dilemy, ktoré postavy musia riešiť vo svete špionáže. Čitatelia sa môžu tešiť na akčné scény a zložité vzťahy medzi postavami, ktoré posúvajú dej neustále vpred. Je to séria o lojalite, zrade a cene, ktorú človek zaplatí za pravdu.
Having finally secured the political backing they needed to survive, Checkmate's operations begin in earnest, as an agent tries to infiltrate the terrorist group Kobra! But someone within Checkmate seems to be working against them, and a compromised agent is forced to make a deadly, life- changing choice.
The thrilling ride continues with CHECKMATE BY GREG RUCKA BOOK 2. The agency's locked in a shotgun wedding with the Outsiders. The honeymoon's on Oolong Island, a mission that nobody else in the DCU will touch, and the combined strike force is about to find out why! Then Amanda Waller's unauthorized Black Ops game is exposed! What does it mean for the future of Checkmate and of Amanda Waller? Collects CHECKMATE #13-25 and OUTSIDERS #47-49.