Comedian David Baddiel embarks on his adventure in China. He learns the secret of silk that could get a man killed and visits caves full of hidden treasures.

David explores the wilds of Central Asia to discover what the Chinese wanted for their precious silk. In a remote gorge in Kazakhstan he finds clues carved in the rock.

David seeks treasure in the mountains of central Asia, tests his strength against the locals in Uzbekistan, and finds some amazing uses for crude oil in Azerbaijan.

David heads to the most vital crossroads along the Silk Road, the Caucasus, here he discovers what destroyed the greatest trade route in history.