Gu Yixin, a noble daughter of the Republic of China, had loving parents and a harmonious family, but she lost her mother when she was a child. Her father remarried and the cause of her mother's death was unknown. She met her close friend Qi Shan in boarding school. Qishan was taken away by the Japanese after being injured. They reunited during the war, fell in love with each other, and were bound to the ring for life. Qishan's true identity is Qishan Shiozawa, the noble son of a high-ranking Japanese official. After Yixin learned about Qishan's identity, they broke up. While joining the anti-Japanese movement, she traced the cause of her mother's death. After the victory of the Anti-Japanese War, Qishan did not return to Japan. He stayed by Yixin's side as a civilian. However, he didn't know if Yixin could forgive him.
Concept: Love is the eternal theme