Bruce Wayne has been Batman for twelve years now, but those twelve years haven't been kind to him, his partner, Dick Grayson, has long abandoned him to become his own man. Bruce and his more extreme methods of dealing with the criminals has cause mistrust between him and Gordon. One night, Batman goes to Arkham Asylum to contain a riot, but the Asylum is soon locked down by Hugo Strange, the lead psychiatrist of Arkham Asylum, and his partner, the man formerly known as Scarecrow, Johnathan Crane. The two activate a virus that infects all the inmates turning them more crazed and powerful. Now Batman along with Gordon, Nightwing, Oracle, and other allies need to stop the virus from getting out of the Asylum and infecting Gotham City.
