In 1933, the 29th Army used a broadsword to demonstrate national integrity at Xifengkou, but it could not stop the invaders from trampling on them. The Great Wall fell, Rehe fell, and the people fled in all directions...
At the foot of the Great Wall, there is an ancient family of Zhonglie and three brothers. Gu Chengfeng, Gu Chengyu, and Gu Chengyang each belong to three parties and staged a song with their childhood sweetheart Xiuzhi. The emotions are intertwined with the love, hatred, and hatred of family and country...