影片讲述了 64 岁的张鹤珊，作为当年明代长城守城将士的后代保护长城的故事。他从 1978 年就开始守护着城子峪村附近的明长城，42 年来，张鹤珊劝走放羊倌，吓跑偷砖贼，为守好长城跟很多人急过眼、红过脸。

The film tells the story of Zhang Heshan, 64, who is the descendant of the garrison of the Great Wall in the Ming Dynasty.He has been guarding the great wall of the Ming Dynasty near chengziyu village since 1978. For 42 years, Zhang Heshan has advised the shepherds to leave and scare away the brick thieves. In order to protect the Great Wall, Zhang Heshan has been in a hurry with many people