The story takes place at the beginning of the 19th century. Goo Hae Ryung (Shin Se Kyung) is an intern to become a palace historian. However, it was not acceptable for women to write historical records on that time. She takes one step at a time to create her own destiny in Joseon, where the Confucius ideas are deeply rooted. She wants to fulfill her duties as a historian and prove to the world that everyone is equal. Along with the fight of the female palace historians, the drama will tell her romance with prince Lee Rim (Cha Eun Woo) who has a secret of his own.