After the massive breakout at Arkham Asylum, the villains continue their rampage throughout Gotham City.
Dark Knightfall Part 3: https://www.youtube.com/watch?v=h6BnJrnsJh8&feature=youtu.be
Dark Knightfall Part 1: http://www.youtube.com/watch?v=ENA8MbBhzHI&feature=c4-overview-vl&list=PLEY1MkL-Sxugv-3K1xA0Ou92sljmnazc5
