A modern office worker accidentally travels through time to 1952, becoming high school student Shi Jiayi. Aware of the turbulence of the coming era, she diligently prepares for the first college entrance examination while seizing the opportunity of the urban-rural material exchange conference to help her hometown open up sales channels for local specialties, leading the villagers to increase their income. She outwits her petty roommate who loves to take advantage, resolves the malicious harassment of peers, and overcomes all obstacles all the way to capture the top scorer title in the provincial college entrance examination. Bidding farewell to her family to head off to university studies, along the way she also performs a righteous deed to rescue an abducted child, heading toward a new life with the determination to learn technology and build the motherland.