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.
A young man wants to marry the beautiful daughter of a landowner who refuses to allow the marriage. To prove his worth, the young man becomes a miller in a vampire-infested local mill.
A man heading through the countryside is drawn to a strange castle, which is reputed by the locals to be haunted. There he meets a beguiling young woman who ensnares him in her world of secrets.
