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.

Julia Martens is a wrongly convicted murderess who is released from prison after thirteen years. She begins a new career as a chanson singer and her now grown-up son, who has been told that his mother is dead, has no idea who Julia Martens really is. One day he is suspected of murder and Julia intervenes.

Juliane Thomas is an ambitious but unemployed young writer. After breaking up with her lover she works at a dentist friend to make ends meet. One day she instantly falls in love with one of the patients (Jean Berner) and promptly writes a movie script about the encounter in which she projects her own fantasies about how things will turn out eventually. By coincidence this movie script is picked up by a film director who happens to be Berner's closest friend and from then on things become very complicated...

Film by Herlth and Röhrig.