With a new lease on life, Nightwing and Flamebird return to Metropolis determined to hunt down one of General Zod's few remaining sleeper agents. Continued in SUPERMAN #696! And in the co-feature, Captain Atom is back on Earth, but his struggle to break his ties with Mirabai and Project 7734 aren't over yet. Guest-starring Metropolis's own super-powered protector, Mon-El!