Stones for the Rampart 2014 Based on a well known Polish novel with the same title the movie re tells a true life story of a group of scouts called Szare Szeregi Gray Ranks during the Nazi occupation of Warsaw and the liberation of one of its members imprisoned and tortured by the Germans through a maverick military action in board daylight right under the enemys nose known Action at the Arsenal which was the biggest single feat of the sort undertaken by a youth resistance organisation in all of occupied Europe during WWII