LI SHI CHUN (LAM MAN LUNG, FRANKIE), who has studied herbs since he was a little boy, loves a girl TUNG CHING (YE, MICHELLE). However, he is already engaged to NG MO YUNG (LEE SZE WAN). He plans to break off the engagement and reveal his feelings to CHING after taking the imperial civil examination. Unfortunately, when he returns home after the examination, CHING has already agreed to marry his brother (AL WAI). CHUN has no choice but to marry YUNG. He becomes the student of a renowned doctor LITTLE BUDDHA, who turns out to be CHING’s adopted father. CHUN finds out that the old medical books are full of mistakes. There are also all kinds of fake herbs in the market. Therefore, he decides to write a book called the Compendium of Materia Medica. He is appointed as an imperial doctor in the palace by the Duke of Chor.

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