Following the harrowing events of Batman: The Killing Joke, the course of James Gordons lifeand that of his familyswas forever changed! But what happened when Gordons path again crossed with The Jokers PUNCHLINE BACKUP: Harper Row has successfully gotten Punchlines former friend, Kelly Ness, out of Blackgate. What Kelly reveals about Punchlines past and true nature will change her criminal case forever, but will Harper and Leslie Thompkins be able to protect her from Punchlines loyalists?