What is the plot of Arkham City story?

Well, Arkham City's story is really complex. In it, Batman is in this huge, enclosed area full of criminals. The Joker is sick, and he uses his illness as part of his scheme. There are other villains too, like Two - Face, who are causing chaos. Batman has to fight his way through, using his detective skills and gadgets. He discovers that there are political machinations behind Arkham City, and he has to stop the villains from destroying Gotham while also dealing with the corrupt forces that created Arkham City in the first place. It's a dark and action - packed story.

The story of Arkham City is about Batman being trapped in a walled - off section of Gotham City that has been turned into a prison. He has to deal with various super - villains like the Joker, who has a devious plan involving a new toxin. Batman also uncovers secrets about Arkham City's creation and the people behind it.