Harley wants the Joker. The Joker wants Batman. Batman's busy trying to corral Gotham's newest crime lord, Oswald Cobblepot… and Cobblepot seems strangely invested in Harley. It's a circus out there in Gotham's underworld, but fortunately for Harley Quinn, she's got the best guide a girl could ask for—even if he DOES seem to be trying to get her killed half the time. [Bad Jokes 2]

Harley sees a case that could make her career. The Joker sees a naïve young therapist with a breakable mind. Swiftly, he lures her into a downward spiral, resulting in her defeat and rebirth as Harley Quinn, the only one capable of surviving at his side.

The Joker is sick, so Harley does what any girl with a deathly ill, overachieving partner would do— she drugs him and handcuffs him to the bed until he gets better. [Bad Jokes 1.5]