I love this movie, and I think you will too (if ya' haven't seen it yet!) Next to Open Range, this may be Kevin Costner's best film.
I guess you could say it's in the same spirit of High Noon, though Costner's character Elliott Ness gets at least some help to fight Al Capone's ruthless gang. The people of Chicago love the benefits Capone has brought businesses during Prohibition, but also live in fear of his brutal thugs and terror attacks across the city.
The only ones who will stand up to the infamous mobster are ridiculed by there own and terrorized by Capone's henchmen.
Here is a plot synopsis from IMDb...
1920's prohibition Chicago is corrupt from the judges downward. So in going up against Al Capone, Treasury agent Eliot Ness picks just two cops to help him and his accountant colleague. One is a sharp-shooting rookie, the other a seen-it-all beat man. The four of them are ready to battle Capone and his empire, but it could just be that guns are not the best way to get him.
The Untouchables is a classic good vs. evil film...but asks a simple question that so many people have a hard time aswering...which side are you on?
Here is the trailer...
The baseball scene (kinda violent so be prepared.)