The Legend of Lady Yang

It is a story about how a peasant girl, Yang Yuk Wan, is chosen by the emperor to become one of his concubines. In the course of getting noticed and trying to win the favor of the king, Yang Yuk Wan encounters jealous concubines on all four sides--all plotting to rid of the competition.
(Source: spcnet.tv, DramaWiki)
~~ Based on the true story of Yeung Yuk Wan (楊玉環), also known as Concubine Yeung Gwai / Lady Yang (楊貴妃).