||Italy, West Germany
||7,1 (3 382)
||Fabio Testi, Cristina Galbó, Karin Baal
In the walls of the gymnasium, one by one the pupils die - the knife of an unknown killer hits their genitals. Suspicion falls on the young gym teacher, who is trying to hide his love affair with the schoolgirl. But the second murder occurs, the detective, investigating the case starts to really worry about the safety of the girl and the whole neighborhood.