The head of the statue of the Sphinx, the "body of Naples", is stolen. Our protagonist is the treble clef of the score of "Chell ca sent" who, having heard about the theft, sets off in pursuit of the thief through the backstreets of Naples,where he gets into a series of scrapes and adventures. However, the intervention of the citizens of Naples restores everything back to normal and banishes evil. Music is the driver of the collective social conscience in the city of Naples.