Giulia informs her sister of what happened to Paolo and, without giving herself peace, tries to find an explanation. Her colleagues advise her to take at least a day off. Meanwhile, Vittoria finds herself dealing with the case of Simone, a deaf-mute child who would like to attend a normal school. In addition, a sixteen-year-old is found dead in the courtyard of his school and Luca and Corrado begin to investigate.