The Prime Minister's daughter, Kong Yeuk-mui, is attracted by the private tutor, Chow Yuk-pui. However, the Prime Minister despises Pui's lowly background and banishes him. Kong disowns her father, hoping to marry Pui when he achieves honours in the imperial exam. Meanwhile, Mui's brother Tak-chu prepares for the exam under Pui's tutorship. Pui and Chu, take the money Mui gives them and head for the capital. Unfortunately, Pui has himself fallen ill. Considering that the examination day is approaching, he gives all the travel expenses to Chu and urges him to set off. Mui resides at Loquat Alley, longing for Pui's honourable return. One day, she comes across a beggar, when she recognises it is Pui, her heart breaks. Chu who has newly been appointed Top Scholar, arrives and tells her sister the whole story. Nevertheless, Pui's sister is chosen to be the imperial concubine. Benefiting from this bond, Pui becomes the Royal Brother and works as the court secretary and weds Mui.
