Batman: The Killing Joke
Batman is a vigilante in Gotham City. He realizes that his battles with the Joker will eventually lead to their deaths, and wants to prevent that. He goes to visit the Joker at Arkham Asylum to talk to him about it, but discovers that the Joker has escaped.
Meanwhile, the Joker is out to prove that any normal person can turn insane from having one really bad day. He tests his theory on Police Commissioner Gordon by kidnapping him, stripping him, an...