In 1943 Shanghai, military agent Chen Qian, tasked with assassinating a Japanese official, uncovers a conspiracy. Disguised as a Japanese envoy, he infiltrates enemy territory, relying on the help of Communist Party member Chun Yang to thwart the invaders' plans.
In the early twentieth century, to take her revenge, Jiang Ying, the top singer in the New Fairyland of Tang City, has an elaborate plan to marry Du Jingchuang, a wealthy businessman. Du Xunyu, Du Jingchuang's son, is suspicious of Jiang Ying's ulterior motives, but his identity as the fake son is nearly exposed by Jiang Ying instead. They're against each other at every corner under the same roof, but they gradually find out that they seem to be old friends in the past. Those two avengers, who were walking alone, have become each other's guardians. Meanwhile, Du Jingchuang, their common enemy, is secretly watching all this...
Cheng Shaoshang, left behind by her parents who went off to war, faces challenges from a scheming aunt and struggles with estrangement from her family. Lacking love and security, she is cautious in choosing a marriage partner and meets three suitors: Ling Buyi, the emperor's adopted son; Yuan Shen, a talented figure from Bailu Mountain; and Lou Yao, an aristocrat. Despite a rocky path to love, Shaoshang remains steadfast. Her involvement with Ling Buyi leads them into a mystery surrounding his family and identity and together they confront a national crisis, growing through their experiences and upholding their ideals.
In her previous life, Xia Yu Bing was a villainess sentenced to death by poison by her husband, Xu Zi Yan. Now, the author of a comic has given her a chance to be reborn. She had no choice in the past but this time, she wants to be a good person.