TONG Pak-Fu, CHUK Chi-Sang, MAN Ching-Ming and CHOW Man-Bun were the four famous learned-men in classical Mid-China. They were on good terms. Once, they picniced and visited the monkish home in Fu-Yau Mounts. While there they encounter the Lady of WAH Prime Minister in a sedan followed by a train of servants and maids. One of the maids named CHAU Heung was very attractive. Pak-Fu was attracted by CHAU Heung and tried every opportunity to get near her, and caused a lot of laughter. HE even followed CHAU Heung to Han-Chow. The Prime Minister needs a library mate urgently. Pak-Fu takes this opportunity to apply for it and was accepted. He tried to date CHAU Heung when she brings snacks to the library one day. She rebuked him for giving up his future prospects. The three friends of Pak-Fu discover that Pak-Fu had disappeared. They soon find out his whereabout. With the help of the 2nd daughter-in-law of the Prime Minister, a cousin of Pak-Fu...... the two lovers eventually get married.

Based in Chinese opera, the film tells the story of a young scholar in the Tang Dynasty, Li Yi who travels to the capital Changan to take the national civil examination. During the Lantern Festival, he encounters Huo Xiaoyu in the night market and picks up the purple hairpin she leaves behind by chance. Using the hairpin as a token of love, Li proposes to her on that same night. However, “the course of true love never did run smooth.” With the assistance of a mysterious man in the yellow robe (Huangshanke), together they have to fight against the wicked plot of Official Lu.