Hank Hall aka Hawk and Dawn Granger aka Dove are a pair of vigilantes, hoping to get out of the superhero business after shutting down one final criminal operation. When Dick arrives at their doorstep with Rachel, looking for a safe haven for the hunted child, his reappearance after many years causes strife between all three of them. Still traumatized over the death of her mother, Rachel struggles to trust Dick. But all their differences must be put aside when a lethal Nuclear Family, sent by The Organization, is activated with the sole purpose of capturing Rachel.
Dick Grayson and Rachel Roth, a special young girl possessed by a strange darkness, get embroiled in a conspiracy that could bring Hell on Earth. Joining them along the way are the hot-headed Starfire and loveable Beast Boy. Together they become a surrogate family and team of heroes.