The story takes place in the Wild West in the 19th century. Cornel Brinkley, the leader of the local bandits, learns about the legendary Indian treasure hidden on Silver Lake and wants to get it. He kills Erik Engel who has part of the map to the treasure. The murdered man is taken by stagecoach to Tulsa, to Engel's son Fred. He goes with Sam Hawkens and Gunstick Uncle to catch the killers. On the way, they meet a man with the bag of the murdered man. Fred thinks he is the father's killer and attacks him. But the man easily stuns him, and Hawkens recognizes his friend Old Shatterhand, a renowned hunter and woodsman. He promises help and tells them that his blood brother, the famous Apache chief Winnetou, is tracking bandits. He also meets Lord Castlepool in the saloon, who has come wild west to collect butterflies. The fight with the bandits begins. Winnetou, Old Shatterhand, and others make their way through Utah territory to Silver Lake. They come across a burned down Native American village, where they are attacked by the Utahs, who believe that they are the ones who burned the village down. Cornel and his men capture Ellen and take her to El Dora. Old Shatterhand comes up with a plan to free her and in the village then defeats Chief Grosser Wolf in a one-on-one fight, Chief Quick Panther breaks the deal, chases them. At the lake, Cornel and his men go to the treasure, kill Tonkawa. His men are dying. Winnetou and the others arrive at the scene. The bandits are captured.
