Artisan Nadia Ridolfini teaches Kathy the ancient craft of mosaics. Alessandro Volpetti takes Kathy on a tour of the new Testaccio market. Then the di Felice brothers teach Kathy to make Rome's famous dish Cacio e Pepe. Then we get "the scoop" on gelato making. The episode ends at Palazzo Brancaccio with an historic ball performed by Campagna Nazionale di Danza Storica.