The Silent Invasion plot
When a German garrison is stationed in the small French town of Mereux in 1940, it isn't long before the local men form a resistance group and launch an attack on their new occupiers. During the attack, two members of the resistance are captured, tortured and then publicly executed. One of the dead is a young man whose sister loves a German officer. Now she vows revenge on him because she believes he is responsible for her brother's death. It provides the French resistance with information and is prepared to use all means necessary for this.