Tony Robinson leads the team to the village of Beadnell on a beautiful stretch of the Northumbrian coast to explore an unusual promontory. Legend ties the site to local 7th-century Saint Ebbe, and it's widely believed that a 13th-century chapel stood here. Are the earthworks on the promontory an indication of Viking or even Iron Age inhabitants? The only way to find out is by putting spades into the earth.