Open Range 2003

The main characters are four cowboys: Boss Spearman, Charlie Waite, the strapping Moz, and Button, a 16-year-old Hispanic boy taken in by the older cowboys to help tend the herd. After a heavy rain, Boss decides that Moz needs to go to town for more supplies. When he doesn’t return, Boss Spearman and Charlie Wait, sensing that something is wrong, set out to find him.