本片根据波兰著名同名小说改编，讲述了二战期间，华沙被纳粹德国军队占领，波兰童子军的年轻人们与德国占领者进行英勇斗争的故事。
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 enemy's 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.
马雪阳,刘洲成,张远,肖旭,郭柯彤,高世名,王帅,闵健,代庭睿,唐国强
朱一龙,辛柏青,张子枫,朱亚文,陈飞宇,王砚辉,肖央,吴京,张宥浩,欧豪,韩东君,郭晓东,李卓阳,任重,李乃文,聂远,唐曾,王挺,赫子铭,王阳,贾冰
费翔,李雪健,黄渤,于适,陈牧驰,娜然 ,此沙,武亚凡,夏雨,袁泉,王洛勇,侯雯元,黄曦彦,李昀锐,杨玏,陈坤,许还山,高曙光,冯绍峰,杨立新,丁勇岱,高冬平,徐冲,韩鹏翼,单敬尧 ,吴汉坤,百力嘎,刘乐,许翔,刘涵,徐菲,孙睿,耿业庭,金志浩,屈愉超,黄涛,樊汶东,姜宝成,阿仁,米铁增,僧格仁钦,马文忠,宁文彤,张晶伟,杨添皓,李泽宇,夏晨旭,宋宁峰,俞颖,吴超,杨大鹏,赵磊,张振煊,宋渡宇,文波,图门巴雅尔,慕晓博,春晓,其勒木格,张雪菡,钱波,巴雅尔图,吴兴国,那尔那茜,刘潮,张艺泷,孙煌辰,艾力库
邵裴
潘长江,李雪健,李幼斌,袁立,张丰毅,刘威,陈小艺,李强,王志文,赵小锐,曹蓬,常戎,雷汉,赵宝刚,石兆琪,吕凉,刘金山,杨海波,王玉梅
苏鑫,孙昊,马佳玮,王智,杨宇鑫,钱磊,姚未平,关笑天,金金,李凯,王忠浩,金靖承
