While the Civil War rages on between the Union and the Confederacy, three men – a quiet loner, a ruthless hitman, and a Mexican bandit – comb the American Southwest in search of a strongbox containing $200,000 in stolen gold.

The lives of three men who were childhood friends are shattered when one of them suffers a family tragedy.

Disgruntled Korean War veteran Walt Kowalski sets out to reform his neighbor, Thao Lor, a Hmong teenager who tried to steal Kowalski's prized possession: a 1972 Gran Torino.