Following the murder of her father by hand Tom Chaney FarmGirl Mattie Ross sets out to capture the killer. To assist her, she dominates the toughest U.S. Marshal she will get, a person with"true self indulgent," Reuben J."Rooster" Cogburn. Mattie insists on Cogburn, whose drinking, sloth, and broadly speaking reprobate character do not augment her beliefs . Against his wishes, she joins him in his stride. They're combined. The improbable trio find danger and adventure on the travel, and each has his or her"grit" analyzed.