The final installment finds Marty digging the trusty DeLorean out of a mineshaft and looking for Doc in the Wild West of 1885. But when their time machine breaks down, the travelers are stranded in a land of spurs. More problems arise when Doc falls for pretty schoolteacher Clara Clayton, and Marty tangles with Buford Tannen.

In the latter half of the 19th century, gold is discovered in the Black Hills, sacred land of the Lakota people. Gold diggers, profiteers and adventurers flock to the region. Among them is the hard-hearted land speculator Bludgeon, who tries to expel the Lakota using brutal methods. Lakota warriors retaliate, and soon the gold diggers'...

In early 20th-century Montana, Col. William Ludlow lives on a ranch in the wilderness with his sons, Alfred, Tristan, and Samuel. Eventually, the unconventional but close-knit family are bound by loyalty, tested by war, and torn apart by love, as told over the course of several decades in this epic saga.

Army despatch rider Hondo Lane discovers a woman and her son living in the midst of warring Apaches, and he becomes their protector.

The neighbors of a frontier family turn on them when it is suspected that their beloved adopted daughter was stolen from the Kiowa tribe.