A series of bloody murders bloodied the streets of Turin. Whose hand is it that is executing women and men with such precise choices and in such brutal ways? And what relationship do the murders have with the school where some kids are engaged in what is undoubtedly the most important and dangerous exam of their lives?

Commissioner Augusto Terzi must investigate a series of bloody murders that leave various paths open, from revenge to esotericism. With him will be the trusted Calcabrini and the inspector Vanessa Mobile, under the pressing surveillance of the Police Commissioner. If the police officially investigate, a couple of DJs find themselves involved in the affair and decide to investigate privately.