During the Republican era, Gu Beichen fell for Shen Yao at their first meeting. They met frequently and came to know each other, and the differences in their family backgrounds did not stand in the way of their love. But as the times grew turbulent, Gu Beichen joined the resistance against Japan, while Shen Yao supported him from the rear. When Gu Beichen was injured during a mission, Shen Yao was beside herself with worry. After a long search, the two were finally reunited. United by their firm belief in the fight against Japan, they persevered through changing circumstances and countless hardships, striving on and preparing to face new challenges.