In a family of full-blooded Neapolitans, tragedy strikes: a girl is born speaking and acting like a northerner!

Shunned by his church, a seminary student takes refuge with an excommunicated priest who teaches him wizardry and black magic.

Francesco is an entrepreneur in the building industry. His company is near to collapse if it doesn't win a deal to build a new school complex. It needs at least 60 million liras to participate to the deal, but all the banks refuse to lend the money. A corrupt bank employee introduces him to Claudio, apparently an assistant of Sergio, Francesco's old school friend. Sergio is an accountant available to lend Francesco the money he needs. Francesco wins the deal, but soon he discovers that Claudio is not what he says.

A group of young people get in touch with an occultist sect which has been active since before W.W.II.

Heidi leaves her beloved Alm and moves to Frankfurt, where she finds a new good friend in Clara. Aunt Dete wants Heidi to leave her grandfather on the mountain pasture and go with her to Frankfurt, where she is supposed to live with the Sesemann family and keep their paralyzed daughter Clara company. In this way, Heidi would enjoy an excellent upbringing and grow up with one of the richest families in Frankfurt. Aunt Dete sees a bright future for Heidi in the city. However, this idea is not met with enthusiasm by Heidi and her grandfather, Peter and his grandmother are also very reluctant to let Heidi go. After much persuasion and many promises from Aunt Dete, Heidi finally leaves her beloved mountain world with a heavy heart and travels to Frankfurt.

The title refers to a character named Pompeo Quarantini; an attorney tries to prevent marriage between an heiress and a musician, but without success.