During a chance encounter, Xiao Yan Zi promises to help Zi Wei find her long-lost father, the Emperor. Due to a mix-up, Xiao Yan Zi is mistaken for the Emperor's daughter and becomes the Huan Zhu Ge Ge. Her lively nature and lack of education lead to chaos in the palace. Will her secret be revealed, love blossom, and Zi Wei reunite with her father?