In the Wild West, a young and determined girl named Mattie Ross seeks justice for the brutal death of her father at the hands of an outlaw named Tom Chaney. Armed with courage and a fierce determination, Mattie embarks on a dangerous mission to capture Chaney and bring him to justice. To achieve her goal, she recruits an old and grumpy Marshal, Rooster Cogburn, known for his "true grit" but also for his rough demeanor and tendency to excess. Despite his lack of tact, Rooster is Mattie's only option for tracking down the criminal.
Together, they venture into hostile territory, facing not only the dangers of the desert and the violence of bandits but also their own inner demons and clashing personalities. As they pursue Chaney, they are joined by a young Texas Ranger named LaBoeuf, who is after the criminal for different reasons. The tension among the three grows, and with each step deeper into the desert, they begin to question not only their mission but also their own life lessons and values.
Set against a backdrop rich with adventure, moral dilemmas, and a strong sense of survival, this story of vengeance and past sins explores what it truly means to have grit and how the quest for justice can transform us in unexpected ways.