The construction of the Great Western Railroad creates heavy conflict between the railway company and neighboring Indian tribes. Worse, criminal gang leader Santer sets his eyes on a gold mine located on holy Indian land and influences the construction supervisor to re-rout the planned railroad straight through Apache land. Old Shatterhand, who works as a measurement technician, discovers the evil plan and searches contact with the Apaches in an effort to avert war.
An army gold shipment and its escort vanish in the Ozarks, prompting accusations of theft and desertion but frontiersman Old Shatterhand and Apache chief Winnetou help solve the mystery of the missing army gold.
Rollins' gang wants to grab land by inciting the settlers in a war against the Indians but Winnetou and Old Shatterhand try to keep the peace, until Rollins frames Winnetou up for the murder of Jicarilla Chief's son.