Fan Casting Batman 2

After the former mayor of Gotham City, Oswald Cobblepot aka the Penguin, was sent to jail by Batman, the city is looking for a new mayor. There are three candidates standing in the election: Harvey Dent, Gotham's amiable district attorney, Christopher Nakano, a former police officer, and Bruce Wayne, who secretly is Batman. He is also assisted by Barbara Gordon, the daughter of the commissioner. One day all three candidates are invited to a public discussion. Suddenly the screen behind them lights up and an unknown person, who reveals himself as the Riddler, holds a monologue. The lights go out and the three candidates as well as their teams get abducted. Bruce is the only one who can escape. He then proceeds to save the others, but he sees that Harvey Dent has changed...