Overview: Just recovered from the serious wound inflicted by Turchi, Giulia returns to the X Tuscolano. Mauro and Roberto are investigating an unidentified young woman who was hit the night before and kept in a pharmacological coma. They find her car and from there they discover that Flavia is the wife of a well-known jewelry designer, Guido Palmeri. Once in his atelier they find themselves in front of the artist's body, killed by a stab to the heart. At first Giulia suspects her wife, who however regains consciousness and tells her version: the night before she was upset, she had discovered that Guido was cheating on her. The one who revealed it to her was her husband's partner, Antonio Vaccari, who was also betrayed because the artist stole the precious stones to use for his creations.