Love never dies! Now captured by the FBI, Harley Quinn has left Bryce and Jackie in the grasp of Joker’s other maniacal ex-girlfriend…Riot. And she’s ready to do whatever it takes to save her one true love, including unearth a deadly secret from Jack Napier’s past. Will Harley break out in time to resue her kids? Or will a dark knight rise from the shadows to save them all?