Xtreme City will be based on Mumbai's underworld and will be produced by Martin Scorsese. Shahrukh Khan apparently will play the role of an underworld don whereas Leonardo Di Caprio will essay the role of an FBI agent. As per sources, Shahrukh Khan will not only play a very pivotal role in the film, but he is also likely to be involved in the making and production aspect of the film.
Leonardo Di Caprio reportedly showed a lot of interest in the script of the film. Xtreme City is most likely to be filmed in Mumbai.
The buzz doing the rounds is that Xtreme City is based on the life of underworld don Dawood Ibrahim Kaskar and his people.