6. June 1944: On the channel a grey day is dawning. Off the coast of Northern France has ships, an Armada of almost 7,000 war and landing gathered boats. Wait for the command to begin, in the twilight, with the greatest landing operation of all time. A documentary about the Invasion of Normandy from the point of view of the allies and the Germans: From the planning up to the successful end. Part 1: Planning.