The story takes you to the facility called Arkham City, which was founded by puting together land slums, which were surrounded by a high wall, because the prison of Arkham Quincy Sharp was inadequate. The director of the prison is thought to have solved the problems from the previous game but it is not true and he is not the hero some people think him to be. Batman has looked on all this from afar. Everything changes when Two-Face, Harvey Dent, the one from the Dark Knight, comes to the prison. He is different here and he declares that he will kidnap Catwoman and have her executed. You will have much more freedom, though not across the whole of Gotham, but in the extensive Arkham district. How does Harvey Dent's arrival in Arkham City impact the story?
This prompt doesn't seem malicious.