In a dystopian future, Bruce Wayne wakes up in Arkham Asylum�he still has his youth, but he was never Batman. Bruce dons his Bat-cowl, breaks out of the asylum, and�accompanied by The Joker�s animated, severed head�begins a surreal journey to solve the mystery of his past and find out who�s responsible for destroying the world. Encountering both friends and enemies along the way, the Dark Knight�s quest through the devastated landscape may prove to be his last adventure ever.