Percy has no idea who he is, where he is, or why he's hurt and covered with blood. He does know one thing, however, he was betrayed, and he's pissed. With meeting Ravager and Deathstroke, he decides to join them in hopes of getting his memory back and wreaking vengeance on those who wronged him. But will the heroes and their side kicks stand in his way? Will he listen to their point of view? What could have possibly happened to Percy by his forgotten comrades that made him one of the Justice League's most dangerous adversaries?