After the great victory at Yanhui Pass, defending general Lu Jingheng returned triumphant, believing that Shen Zhitang ordered the bridge burned to cause his father's death, demoting her to a guilty maid and subjecting her to all sorts of humiliation. As the truth was peeled back layer by layer, it turned out Shen Zhitang burned the bridge to protect the city under her father the marshal's military orders, and also secretly saved Lu Jingheng multiple times and painstakingly searched for his missing younger sister. With war breaking out once more, the two let go of their barriers to defend against the enemy side by side, rebuilt the new bridge, and slowly reconciled with the past amidst the entanglement of love and hate.