Roberto and Luca investigate Maroni, a prisoner who escaped from his prison guards to prepare a robbery at a post office and leave with his partner Nadia for the Philippines. The woman, suffering from a serious breast tumor, hopes to be saved by a local healer and for this reason Maroni, stopped by the officers, locks himself in the place threatening to kill the hostages if they don't give him a car to the airport within an hour. Rea tries to understand what happened at the X Tuscolano with the two fake carabinieri who stole Liverani's CD-ROM. Altieri is furious about what happened and takes the case away from Giulia: Rea, however, promises her that they will continue to work together. Parmesan is in shock after an accident.