During the period of the Republic of China, the cardamom talented girl Lin Hangjing was imprisoned because of her father’s murder. She went to her father’s friend Xiao Dashuai. Although she was under the fence, she was not humble or overbearing. Xiao Beichen, the overbearing three young master of the Xiao family, had bullied her from the very beginning to gradually attracted by her strong independence. . Dashuai Xiao sent his son to study at the military academy to train his son, and Qi Yiniang promised to match him with Hang Jing when he graduated. After five years of hard work, under the strict training of instructors, Xiao Beichen, who experienced the life and death of the war, grew from a mixed world demon to an iron-blooded soldier. After returning from school, he helped his father clean up the army, and wanted to propose to Lin Hangjing, but unexpectedly learned that she had fallen in love with the passionate young Mu Zizheng. Because of Lin's father's sudden distress, Xiao Beichen and Lin Hangjing agreed to marry to save Lin's father. After marriage, the two experienced all kinds of hardships, from alienation to gradually becoming emotional, but due to misunderstanding, Hang Jing disappeared in a fire. After seven years of life and death, the Anti-Japanese War broke out. Lin Hangjing, who had joined the patriotic organization, returned to Beixincheng and persuaded Xiao Beichen to unite in the resistance against Japan. Muzi became a Japanese eagle dog because of her mother's illness. He repeatedly harmed Xiao Beichen, and Hang Jing followed Xiao Beichen to death. In the end, the two of them resolved their misunderstandings, beacon of truth, and joined hands to protect their homeland.