When Clayface loses his arm in a heist, it turns out to be not only evidence for Jim Gordon, but also a key witness against Harley and her crew.

Harley must rescue Ivy from the clutches of Scarecrow, who’s trying to harvest her pheromones to make a super toxin that turns plants into sentient monsters.

While Harley & Ivy deal with their post-kiss awkwardness, the President tells Gordon that he must get rid of Harley to put Gotham back on the map.

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.

Harley, Ivy, and Nora travel to New Orleans in search of Swamp Thing, who just might be able to help them find Frank.

In Vegas for some much-needed QT, Harley struggles at the Strip's evilest hotel while a desperate lvy tries to secure tickets to Clayface's show.