A modern father and son accidentally both time-travel to the Da Qi Dynasty. Son Fang Yan possesses a photographic memory talent, single-mindedly hoping that his Chinese literature department professor dad Fang Xianzheng will pass the imperial examination so he can lie flat and be a second-generation official. Unexpectedly, he failed the courtyard examination, and the family smashed pots and sold iron, falling into a desperate situation. The youth Fang Yan had no choice but to go out to seek a livelihood, earn money to resolve the corvée labor crisis, cleverly enter a celebrity banquet, and rack his brains to secure a Hanlin prestigious teacher for his father, as the father and son embark on a road of imperial exam preparation full of laughter and storms.