During the Republic of China, Li Chumu (known as Miss Li Si), a daughter of an aristocratic family, was in her prime. After returning from overseas, she was caught up in the wave of student movements, so she met Yu Qingcheng, a marshal of the Northeast Army. Political stance and family factors caused Yu Qingcheng and Li Chumu's love to encounter unprecedented obstacles. He had to abandon Li Chumu and return to the three northeastern provinces to take charge of the military.
Li Chumu went north to look for him, and met his confidant Song Yi on the way. After helping Yu Qingcheng assess the rebellion, Yu Qingcheng married someone else. What's the hidden story in this? At this time, wars broke out. Cheng Shao, who had been childhood sweethearts with Li Chumu, became one of the three major warlords, fighting against Yu Qingcheng. Li Chumu became the key figure in stopping the war and the leader of people's turn.
However, the all-out war of aggression against China has brought about earth-shaking changes to this group of infatuated men and women. With the decline of the family and the turmoil of society, can a romance be achieved?