"远离陌生人，保护自己，不要轻信糖果的诱惑"跪下用嘴接男主人的尿

　　A serial killer is terrifying the prostitutes in a big Italian city. After few barbaric murdering four prostitutes Lena, Angela, Nadine and Stella decide to unify and try to self-defend themselves. The police and all the other prostitutes agree with the four and the hunting is open. Who is the cruel killer?