Andrea the son of Anita and Tristano killed himself on Christmas night. Tristan betrays his wife with Anna, Andrea's ex-girlfriend, who is later killed. A crescendo of tension as Anita listens to the switchboard phone .
In line with the principles of his ecological "conversion", Matteo Argento, chief financial officer of a multinational company, leaves, along with his wife Lydia, the city's mayhem and pollution to move to a country house.
The student Roberta has already been failed three times by Professor Giannelli in the same exam and does not intend to suffer a fourth. To get around the problem, the girl decides to give herself to the professor, provoking and seducing the teacher.
