The Maid Ballad.

The daughter of a guilty official, Xuan Qiancao, has outstanding talent and is determined to clear her father's name. She actively seeks a powerful backer, while the Emperor's illegitimate son, Chen Tongxue, is in danger due to the machinations of the Crown Prince. The two individuals, each with their own motives, approach each other and use each other, joining forces to fight against their enemies and work together to create a peaceful and prosperous world for all.