In order to get the treasure map to the treasure in Silver Lake, the unscrupulous gangster boss Brinkley murders the father of young Fred Engel. But the old angel only had half of the plan, the other half belongs to Farmer Patterson. Without further ado, Brinkley and his men kidnap him and his beautiful daughter Ellen. Together with Winnetou and Old Shatterhand, Fred Engel takes up the chase, because Ellen is his secret love. When the three come to the territory of the Utah Indians, they are attacked by Indians. Because the deceitful Brinkley destroyed a Utah village and directed suspicion to Old Shatterhand. While the pursuers now have to fight for their lives, Brinkley approaches the Silver Lake with his hostages ...