Plot: While Giulia is in the hospital, the activities of the Decimo Tuscolano do not stop. Ingargiola, Vittoria and Parmesan investigate the case of a girl who ended up in a coma due to a drug used to lose weight; Luca and Roberto deal with a boy who passes himself off as a policeman by giving punishments to small-time criminals; Paolo and Mauro, instead, try to understand the causes of Giulia's accident