The Killer's mission becomes clearer! As he gets deeper into his mission, the Killer discovers he and Barbara are investigating a network of human traffickers. Without being able to rely on the legal system, they must take down the enemy in their own ways. The more this particular mission manages to shake the Killer's usual coldness and detachment, will he be able to maintain his composure? Or will this effect have a deadly cost?
— Description from Comic Vine community (comicvine.gamespot.com).
