When mysterious monsters are abducting Gotham citizens, Batman will have to team up with his archnemesis The Joker to protect his city. The Joker will go to any lengths to get Harley Quinn back after she is abducted by a strange culprit. But who? Mysterious, Joker-like monsters are stalking the streets of Gotham, collecting severed heads. But why? Jim Gordon is missing, and after receiving a package containing a bloody piece of Gotham s commissioner, Batman knows he must be willing to do anything to save him. But how? When The Joker proposes an uneasy alliance with Batman, the answers to...