The film focuses more on Bruce's ptsd from killing Dent. Batman hasn't retired and is being hunted by the police. He still has some allies such as Gordon. Bane does the same thing he does in the movie. Bruce investigates the disappearances of orphans instead of Blake. He forms a bond with orphan Dick Grayson a former acrobat and circus performer who's been living in an orphanage and is doing some mild detective work to try and find his parents' killer. Catwoman does the same thing as in the movie. Bruce adopts Dick. Dick modifies a spare batsuit and calls himself Robin. Bane doesn't die. Talia is cut. Batman doesn't retire but instead, joins forces with Robin.