The leading role of the father on the battlefield is a group of living in a small town in England (to their identity is the bank clerk, the shop owner. Along with the deepening of world war ii, was filled with patriotic enthusiasm grandfather are not eligible for regular army, but spontaneous volunteer corps defend, wrestle with the German spy. The irregulars caught the attention of the media, zeta Jones played a female reporter reported their story also came to town. 此片以二次世界大战为背景，描述在 居住在英国海边度假胜地的一群镇上的老爷子，他们的身份本是银行职员、小店老板。随着二战愈演愈烈，满怀报国热情的爷爷们没资格参加正规军，却自发组成志愿军团保家卫国。这支非正规军也引起了媒体的主意，凯萨琳丽塔琼斯饰演的女记者也来到小镇报导他们的故事。直到某天一名德国间谍阴错阳差的来到了小镇上，被这群老兵发现，为了祖国，雄心满满的老人家们发誓要抓到间谍还小镇一个平静，没想到却因此发了许多哭笑不得的趣事，更因此结束了二次世界大战...