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.

Alfred and his friend, Maggie Paige, visit a health spa that is actually run by the nefarious Poison Ivy.

While hiding from the police, Batman's deadliest enemies exchange stories about their mutual nemesis--Batman.

When a billionaire builds a casino called the Joker's Wild, the Joker breaks out of Arkham Asylum to destroy it.

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.

Poison Ivy appears to have stopped her crime spree when she marries a doctor with two sons to raise. However, crimes continue occurring in the Poison Ivy style, leaving Batman to question her innocence.

All of Batman's enemies team together to put Batman on trial and send him to Arkham Asylum.