When District Attorney Harvey Dent is poisoned after a dinner date, Batman makes the horrifying discovery that his date was Poison Ivy, a plant-obsessed villainess.

Bullock's account of a botched sting operation is so at odds with the other officers' testimony that the police investigator suspends everyone involved.

Batman suspects that an imprisoned Detective Bullock may be innocent after he is arrested for murder. The real murderer turns out to be Killer Croc, who framed Bullock to get revenge.

Dr. Hugo Strange's invention, a machine that reads people's thoughts, leads him to discover that Bruce is Batman.

Selina Kyle uncovers a plot to infect stray animals with a deadly disease that will be transmitted to the human population.

Harley Quinn has broken off with the Joker and teams up with Poison Ivy. Together they wreck havoc on Gotham and now Joker wants a piece of the action.

Sidney Debris, a small-time mobster, earns the hatred of all of Batman's enemies when he claims to have accidentally killed Batman during a brawl.