During the Republic of China, Gu Beichen and Shen Yao fell in love after meeting for the first time. They met frequently and got to know each other. The differences in family backgrounds did not hinder their relationship. However, the current situation was turbulent, Gu Beichen devoted himself to the anti-Japanese war, and Shen Yao supported him from the rear. Gu Beichen was injured while performing a mission, and Shen Yao was worried. After searching, the two finally met again. They shared a firm belief on the road to resisting Japan, and in the face of changes in the situation and numerous difficulties, they always worked hard to meet new challenges.