Thousand Years of Glamour

After being abused and abandoned by her parents due to a death sentence, Mu Changning is saved by her master, who teaches her medicine. Later, to avoid her legitimate sister Mu Xiaowan marrying into the Seventh Prince's family to ward off evil spirits, Mu Changning is forced to take her place. She happily accepts the arranged marriage and humiliates her entire family. However, she is poisoned by Xiaowan's schemes. While escaping to the Cold Pool to detoxify, she has a relationship with a masked man at the bottom of the pool. She secretly rejoices that rumors say the Seventh Prince cannot consummate his marriage, but on their wedding night, she discovers the husband is extremely similar to the man from the Cold Pool.