East German students, opponents of the communist regime, are trying to emigrate to West Germany hidden at the back of a food delivery truck.

Overview

45,000 sections of reinforced concrete - three tons each.
 Nearly 300 watchtowers., over 250 dog runs, twenty bunkers.
 Sixty-five​ miles of anti-vehicle trenches—signal wire, barbed wire, beds of nails. Over 11,000 armed guards.
 A death strip of sand, well-raked to reveal footprints. 200 ordinary people shot dead following attempts to escape the communist regime.
 96 miles of concrete wall. Families divided, loved ones lost…