David plots his next step, and he'll need an old friend to help.
Jerome plots more madness across Gotham. Jim butts heads with Bruce. The Riddle Factory's thriving.
An escape at Arkham. Mad Hatter tricks. Barbara's post-Ra's al Ghul effects. One hard night in Gotham.
Jim races to save Lee, as an antidote is being made. Barbara deals with her double-crossers. Bruce waits for Alfred to pull through in the hospital.