Read more about "21" to know more!
I found two cool sites about this movie! (Dead link: http://www.themovie21.com/) and (Dead link: http://www.the21movie.com/). I think you should know more to understand if this film costs you attention:)
you can read a lot info about cast, dates release,etc. on (Dead link: http://www.themovie21.com/) and on (Dead link: http://www.the21movie.com/). These sites are cool!!