While Caterina is unable to confess to Diego that she has left Fabrizio, Elena and Pietro find Alessandro unconscious at Villa Lai. Ferras, unconscious, is transported to the hospital. By now it is clear that between the death of Giulia Canale and that of Vanessa Silas there is a connection... Peter has to undergo a delicate operation on Tobias and in the meantime he gets closer and closer to Isabella. While Alessandro recovers, all the clues lead us to believe that the culprit of the attack is Diego, who has been taken to prison. Caterina, convinced of the boy's innocence, pushes Elena to continue the investigation that reveals a disturbing truth about the death of Diego's parents.