Crime boss Edward "The King" Barlow dies and in his will leaves his arch-rival, the Joker, a large fortune. Joker immediately goes on a shopping spree, even searching for a replacement for Harley Quinn, but realizes too late that all the money is fake.

Former stuntwoman and adrenaline junkie Roxanne Sutton becomes the rocket-riding thief Roxy Rocket, to chase danger and excitement.

Livewire escapes during a prison transfer and runs amok in Gotham, joining forces with Poison Ivy and Harley Quinn. With the Dark Knight away, Batgirl teams up with Supergirl to face the deadly trio.

A new, mysterious vigilante known as the Judge appears and targets Gotham's rogue's gallery with ruthless fury.