Overview: On 30th June 1940 a plane full of German soldiers touched down at Guernsey airport. It was the start of 5 years of occupation. The traditional image of the Channel Islands is sun, sea and sandy beaches. But Tony embarks on a 5 day walk to explore the darkest chapter in the Islands' history, which 70 years on is itself becoming a tourist draw. Starting out in Guernsey to uncover memories of the German aerial attack on the port and the invasion itself, Tony voyages to Jersey which is littered with physical reminders of the Nazi presence.