Montana, 1925.  Phil Burbank (Benedict Cumberbatch) and his crew of cowboys come across a small town while on a job.  Needing a place to eat and sleep for the night, they ride up to an inn run by mother and son Rose (Kirsten Dunst) and Peter Gordon (Kodi Smit-McPhee).  Phil’s softer-spoken brother, George (Jesse Plemons),…