Batgirl: the killing joke

Barbara Gordon is found unconscious in an alleyway. Falcone gets dethrone setting off a crime wave in Gotham. Joker discovers Batgirl may live as he begins to assemble a team to find her. Harley Quinn is concerned that the Jokers obsession with Batgirl may dethrone her position in Jokers life. Robyn finds herself caught between Joker and his path to finding his target.