The girl Yongfang woke up in the middle of the night and ate hawthorn secretly. After a burst of lightning and thunder, both her parents fell into a pool of blood, and she narrowly escaped. Twelve years have passed, and she has gradually become the number one singer in Shanghai. Her sweet and beautiful songs quickly attracted Duan Shaorong's attention, and he booked a concert for her. Duan Shaorong's good brother Tang Liping is very humble to him on the surface, but he always wants to replace him in private. Duan Shaorong's daughter, Duan Ning, has always liked Tang Liping's younger brother, Tang Litian, and his older brother also intends to get involved. The Japanese invasion caused blood to flow in Shanghai. Tang Liping defected to the Japanese. Duan Shaorong was very disgusted with his behavior. Under the influence of Tang Litian and Yongfang, he gradually learned about the Communist Party and used his own strength to help them. Yongfang found out that the murderer of her parents was Tang Liping, so with the help of Duan Shaorong, she killed her enemy to pay for her parents. After going through various difficulties, the two fell in love with each other and joined the anti-Japanese army together