1. Some youngsters kill their teacher; but they won't tell their motivation. The police detective on the case feels some sinister influence behind the young murderers. 　　2. About the search for an adult who pushed a classroom full of troubled teens to gang-rape and murder their female teacher. A hard-bitten Police Inspector named Liberti is put on the case and sets about brutally interrogating the young punks. He finally settles on a blond boy named Fiorello as the one most likely to squeal, but when he jumps from a rooftop, Liberti knows there is more to the teacher's murder than meets the eye. 　　译文(3): 1.一些年轻人杀死了他们的老师；但他们不会说出自己的动机。负责此案的警探感觉到这些年轻杀人犯背后有某种邪恶的影响。