Dense and tranquil woodland in the County Durham countryside provides an unlikely venue for Time Team's investigation into the earliest days of the Industrial Revolution.  Tony Robinson and his time team travel to Derwentcote near Newcastle in England. They have three days to investigate the ruins of an iron and steel works that produced world class metal from the early 1700's to the 1850's Their interest is based on the number of different processes developed in the area during the time, culminating in evidence the site was much older than first thought.