Desc: Il fascino sottile del peccato: Directed by Ninì Grassia. With Saverio Vallone, Alexandra Delli Colli, Claudia Cavalcanti, Vito Fornari. Arianna recently married a businessman Aurelio and she brings her children, Carlotta and Gustavo to the new family. But Carlotta is attracted by the new stepfather and seduces him. Gustavo, however, prefer a gay relationship with Mario.