Fred Engel's father is murdered by Colonel Brinkley in order to acquire a treasure map, however the Colonel only acquires half of it, the other half as held by Mrs. Butler. Discovering the scene of the crime, Old Shatterhand and Winnetou help Fred bring his father's murderer to justice and locate the treasure of Silver Lake.
Determined to survive at any price, Edith, a young Jewish woman deported to an extermination camp, manages to survive by accepting the role of kapo, a privileged prisoner whose mission is to ruthlessly guard other prisoners.
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.