Is the book always better than the movie? We will watch the film version to decide. A powerful story of vengeance and valor set in an unforgiving and unpredictable frontier where justice is simple and mercy is rare. Just fourteen, Mattie Ross, is determined to avenge her father's blood by capturing Tom Chaney, the man who shot and killed him for two pieces of gold. MPAA rating: PG-13. Running time: 110 min.