This comic tells one of the supposed origins of Batman's greatest villain, The Joker. The story begins with Batman going to the jail to visit The Joker, but discovers he escaped. Amid some memories of The Joker, he goes to the house of Police Commissioner James Gordon, his daughter Barbara was openned the door. The Joker shoot her spine and she falls on the floor, then she is tortured. Soon afterwards the commissioner is kidnapped by The Joker and forced by him to have a "bad day", and go crazy. Batman go to rescue the commissioner and stop his biggest enemy?
The thing I most liked was the origins