In search of a nemesis, Harley goes after Batman, but ends up with an adolescent Robin, making her the laughing stock of the criminal underworld.

Harley thinks the Legion of Doom is behind Ivy's capture and the tree monsters currently ravaging Gotham. But it's a trap!

In order to defeat Psycho's army, Harley & Joker need to track down Fables' storybook with the Justice League inside.

Psycho unleashes a mind-controlled Ivy, Clayface, and King Shark on the Justice League who are trying to free Gotham.

After fleeing the wedding, Harley and Ivy go on an "Eat Bang Kill" tour that leads them to a secret project Ivy abandoned years ago.

While Lex lays siege to the LOD after coming up short with his Ozone Machine, Bane travels to Italy to fix a pasta-maker… and win Nora’s affection.