There is no knowing what lies in a mans heart. On a trip to buy ponies Frank Ross is killed by one of his own workers. Tom Chaney shoots him down in the street for a horse $150 cash & two Californian gold pieces. Rosss unusually mature & single-minded fourteen-year-old daughter Mattie travels to claim his body & finds that the authorities are doing nothing to find Chaney. Then she hears of Rooster
- a man shes told who has grit
- & convinces him to join her in a quest into dark dangerous Indian territory to hunt Chaney down & avenge her fathers murder.