Harley reflects on her first meeting with the Joker as she plots to eliminate her main competition in his attentions – Batman. She captures the Dark Knight and she wants to gain Joker's favor by doing away with him. But of course, the crazy clown's massive ego would never allow anyone else the "honor" of doing away with his mortal enemy.

A ruthless destructive vigilante posing as Batwoman is wreaking havoc in Gotham City. While she sets her sights on thwarting Penguin's evil plans, Batman concentrates on discovering this mysterious imposter's true identity. But when she's captured by the vicious Bane, it falls upon the caped crusader to rescue her, defeat Bane and foil the Penguin's devious plot himself.