[4] It aired in Tencent Video on 20 April until 4 May 2020 every Mondays and Tuesdays for 24 episodes.

Shen Yiyi (played by Wang Yuwen) lives in the city as an orphan since her childhood and has excellent cooking skills.

In order to repay all of Dieyi and Shen Family's kindness to her, Shen Yiyi replace Dieyi's position and adopt her name, then goes to Chang'an for fulfill the marriage contract with the Tang Family.

In order to delay the marriage, Yiyi dresses up like a man and enters the Shangyi School along with Dieyi's fiancé, a handsome flower boy Tang Jiuhua (played by Xie Binbin).

In their education pursuit, they five, who bear secrets of their own learn to trust each other and become bestfriends, solve many strange cases or mysterious case (corrupt officials), face to face with the embassy of the East Kingdom, also form the "Five Students (Sons) of Shangyi" those making them be famous in whole of Chang'an.