It is 1941 and the Nazis have just invaded Britain. Two boys, Les and Frank, find themselves caught up in the Resistance movement - at first by accident, and then because they feel it's the only thing they can do. All over the country, various unlikely people have been given something - a name, a contact, a package - `against the day' of an invasion, and now the Resistance is in motion. On Hitler's birthday, when every town is forced to celebrate, the fight-back begins. And the boys find themselves in the middle of a dangerous game.
