Magpie returns... and is determined to take out Batman's new partner Katana at any cost.
Ra's Al Ghul lures the Ion Cortex, and Batman, to his lair where he takes control of both.
Ra's Al Ghul uses the Cortex to turn the power off in Gotham City, then creates a rift between Katana and Alfred by telling her the true reason for her father's death.
Ra's frees Gotham's criminals from Blackgate Penitentiary to battle Batman. Meanwhile, Lt. Gordon and his daughter Barbara help Batman hack into the Cortex and shut it down.
Batman pulls a public stunt - kidnapping Harvey Dent - in order to draw out the bomb-happy Anarky, who is trying to frame him.
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