Michael Green, writer / producer of NBCs smash-hit series HEROES, teams with classic Batman artist Denys Cowan for a tale set early in the career of the Dark Knight that sheds light on who the Joker was before he became the Clown Prince of Crime. Discover how Batman first crossed paths with the punk who was destined to become his deadliest foe, and see just how far hell go in order tobring down the new criminal insanity that's inspiring Gotham Citys underworld.