While following Count Vertigo’s trail, Batman encounters Talia, daughter of the head of the Society of Shadows, who was sent by her father to prevent the capture of a sonic drill that the Count stole. But after his identity is mistakenly revealed to Talia, Batman remains off-balance as to where her true loyalties lie.
When a Batman impersonator appears in Gotham City, the real Batman deduces that Karl Rossum is somehow involved and confronts the inventor. The other Batman, a duplicate, then shows up and a battle between the two takes place. After the duplicate Batman escapes, it begins its campaign to recreate H.A.R.D.A.C.’s goals of a robotic society.
Cameron Kaiser builds a Casino Hotel modeled after the Joker, called the Joker’s Wild. The Joker sees this on the news, and, enraged, escapes from Arkham again, with one thought on his mind: destroying the casino, unaware that this is exactly what Kaiser wants him to do as part of an insurance claim.
Wednesday lands in trouble with Principal Weems, but that’s just the start of her problems. To fight an ancient evil, she’ll need all her friends’ help.
Edward Nygma creates the game, “The Riddle of the Minotaur”, and makes millions for the company Competitron. He is then fired by his superior, Daniel Mockridge, who wants the profits for himself. Nygma vows revenge, and two years later, he takes up the mantle of the Riddler and traps Mockridge inside a life-sized version of the Minotaur maze. Batman’s sympathy is with Nygma, but he and Robin have to stop him before he kills Mockridge, despite the fact that Mockridge cannot legally be brought to justice.
Batman manages to free himself from the Batcave’s clutches, and brings it back under his control, although he fails to track Duane down. Barbara Gordon approaches Batman to inform him of her father’s sudden change in behaviour. A brutal fight between Batman and Detective Bullock ensues, during which Batman pushes Bullock onto the Bat Signal, and reveals him to actually be an android, meaning that the real Bullock and James Gordon have gone missing, and Batman knows who the culprit is: H.A.R.D.A.C. Can he stop the evil supercomputer before it’s too late?