1937, Nanjing. The family of Su Jinshu, a talented girl who studied abroad, is destroyed, and all clues point to Fu Tingchen, the cold-faced commander who dominates the south of the Yangtze River. In order to take revenge, she turned into a docile bird and flew into his carefully constructed cage.
Fu Tingchen had already seen through her sharp claws and hatred, but he still kept her prisoner by his side. He taught her to write and took her to the theater. When she indulged in a moment of tenderness, he used cold and biting words to draw a clear line: "Miss Su, there has never been any possibility between us."
She thought this was a dangerous game between the hunter and the prey, and she was cautious at every step, but in the blood-stained family letter she accidentally discovered, she got a glimpse of his past as a teacher and friend with her father, and his heavy trust in "Tingchen is my nephew, the mountains and rivers are in danger, I walk alone in the dark night, and I cherish everything."
When her gun finally aimed at his heart, the artillery fire outside the city tore through the night sky. He did not defend himself, but stared at her with an almost broken tenderness, and said softly: "Jinshu, you can take my life at any time. But this defense map is related to the survival of half the country and hundreds of thousands of compatriots."
"I, Fu Tingchen, have been betrothed to the country in this lifetime... It will be difficult for me to do so to you."
At that moment, Su Jinshu realized that the truth she was pursuing was far more cruel than hatred. What separates them is not only a blood feud, but also a turbulent era. When love and family and country are placed on the balance together, the most unforgettable love is to understand his loneliness and choose to walk side by side with him towards the doomed dawn.