The story is centered around Filena, a princess who was raised as a boy after her kingdom was conquered.

University student Wu Wan Wan accidentally time travelled to a school in ancient times and disguised herself as a man in order to blend in.

It follows a series of hilarious stories between Wu Wan Wan and her classmates Tang Wen Qi and Qi Shan. Together, they not only fight against inequality over family status but also work towards recruiting female students in a story about integrating modern education concepts into ancient academies.