A docu-drama. The events at Dunkirk in May and June 1940. The Allies in northern France were in retreat, but the Navy only expects to be able to pick up a few soldiers and Churchill was under pressure to make peace in order to save the rest. Alf Tombs's unit helped hold open a corridor to aid the retreat, allowing thousands to escape over 48 hours.On the beaches a military officer made use of a flimsy pier to speed the evacuation. As the weather changes the pier and the beaches were bombed heavily.