In the turbulent era of the Republic of China, an ordinary murder case of a dancer actually stirred up the murky waters of the dark forces in Nancheng. Gu Manying (Ming Yue) has been dependent on her sister, who is a dancer, since she was a child, but she never thought that on her big day, she would witness Lu Yichuan (Qiu Dingjie) killing her sister. After Gu Manying failed to kill Lu Yichuan on her wedding night, she jumped out of the window and escaped, and started a new life incognito. It was thought that Gu Manying could live a happy life by marrying into a wealthy family, but unexpectedly, this was the first step of Gu Manying's revenge, and she became a stepmother in Lu Yichuan's family. Gu Manying, who gambled the rest of her life, did not hesitate to take fatal revenge on Lu Yichuan, but when she was about to kill her enemy, she found that there was a bigger conspiracy behind it...