The streets of Arkham City are empty, silent. What will happen when Batman learns everyone's flocked to the courthouse to witness a very peculiar court case...presided over by none other than Harvey Dent, and a jury of some of the greatest villains in Gotham history?! The case of the citizens of Arkham City versus Joker BEGINS! Judge Harvey Dent calls many witnesses for the prosecution to the stand to argue in favor of convicting Joker...but Joker has a key ally as his defense attorney. When it comes time to deliberate, the jury's interrupted by a surprise, last minute witness! Batman crashes the trial of Joker and causes a full-scale riot! Juror versus juror, defendant versus Judge--and everyone versus Batman. But in this case, will anyone make it out alive?