For years, Jim Gordon tried to deny to himself the possibility that his son, James Jr., could be a cold-blooded serial killer. But when Barbara Gordon figures out her brother's dark plan, Jim will have no choice but to accept his son's identity and stop him before he corrupts Gotham City from the inside out. And with The Joker managing to break free from the chains locking him up, Gotham City is in need of a hero more than ever before.