With the TARDIS stuck at the bottom of a cliff, the four time travellers have installed themselves in an unoccupied Roman villa. The owner, Flavius Giscard is away campaigning in Gaul. As the Doctor and Ian recline, Barbara and Vicki walk to the nearby Roman village. At the market they are spotted by two slave traders, Didius and Sevcheria. When they return to the villa the Doc... (展開全部)