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.
Outlaws disguised as Indians commit crimes against settlers but Winnetou and Old Surehand are determined to unmask the bandits and keep the peace.
A psychotherapist's love life is a disaster because of her own fears and neuroses. Involving herself in her patients love life add more complications.
