Rob Rinder and Monica Galetti visit the Hassler Hotel, arguably Rome's most classic and celebrated hotel, which is undergoing a change in management. Family-run for generations, Rob and Monica learn about the hotel's celebrity guests and plans for the future as they pitch in with everything from cooking traditional carbonara to sweeping the busy streets in front of the hotel and driving guests around in a vintage Rolls Royce, all in the heart of the Eternal City.