Hugh Dennis heads a team excavating back gardens around Britain. Joined by archaeological scientist and lecturer at Newcastle University Dr Chloe Duckworth, field archaeologist Natasha Bilson, and author and archaeologist John Henry Phillips, he reveals a new chapter of Roman history in Cornwall, at a recently discovered Roman fort near Calstock. Little was previously known about the Romans in this part of England, but the indications from the team's excavation are that the Romans were not in the south west solely for a military campaign. Hugh also visits the reconstructed Lunt Roman Fort in Coventry.