The author's namesake and double, Sandrone Dazieri, is a former activist in a leftist youth organization and a former private detective. He is hired by a wealthy businessman to provide security for a social party he is throwing. It’s not a very interesting business, but it allows you to earn extra money without making much effort. Unfortunately, during the holiday, the owner's daughter ran away from home and was soon found murdered... The authorities, without thinking twice, pin the crime on the young punk, and meanwhile Sandrone, putting everything at stake, including his own life, tries alone to get to the bottom of the truth.< /p>