This is the story about the ballas gangs who don't wanted to live in Angel Pine because they don't have any cash so they are going to Vice City to find a better life.

To play these missions you need the GTA United 1.2.0.1
Here is the link: http://www.gtainside.com/en/sanandreas/mods/46988-gta-united-1-2-0-1/

You need the crack too!
Download it from: http://gtasd.cba.pl/
And choose: Crack Grand Theft Auto San Andreas

The missions are made with GTA SA DYOM v8.1

In one mission of the first chapter you will see in a cutscene when you need to play the missions with the GTA United 1.2.0.1

If you need help with installing then here is a tutorial video: https://www.youtube.com/watch?v=n2eVMpyXF9E