Blond, half-long hair floats in a seepage pond. A well-to-do lady calls the police, and departmental inspector Franzi fishes out a scalp.

Jo, Harri, Nik and Beppo meet on a field to dig up their hidden loot. Their buddy Lenz is missing - they end up digging without his help. At the bottom of the ditch, they discover Lenz's body instead of the loot they were after. Nobody knew of the hiding place except for them - hence, one of them is a murderer. But who?

18th century Vienna. Maria Theresia von Paradis, a gifted piano player and close friend of Mozart's, lost her eye-sight as a child. Desperate to cure their talented daughter, the Paradis entrust Maria to Dr. Mesmer, a forward-thinking-physician who gives her the care and attention that she requires. With the doctor's innovative techniques of magnetism, Maria slowly recovers her sight. But this miracle comes at a price as the woman progressively starts to lose her gift for music.