Mauro shows Roberto the photo from Somalipress that portrays the young Davide Rea with Nina, Terenzi and Castaldo. The two rush to Giulia's house where they discover that the captain spent the night there. Forced to remain silent, they ask Altieri to interrogate Castaldo again but when they arrive at the hospital the man has already been killed. They show the photo to Giulia who is shocked. Meanwhile, Luca and Anna investigate the disappearance of a beautiful dancer who came from the province to make her fortune: they will discover that Cinzia was on the eve of an important job that turned out to be an illusion; furthermore, disappointed by her best friend who stole her boyfriend, she chose to take her own life. Meanwhile, Rea understands that the boys of the X° Tuscolano have discovered something that concerns him closely.