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Su Bei returned with baby and reunited with “ex-husband” Lu Nan to investigate the truth of a series of conspiracies from seven years ago, and reconnect with Lu Nan to continue the fate they have left off previously....

Through tireless efforts, Jiang Mufan's grades finally began to improve. The various activities on campus have created many opportunities for Shao Tianyang to take the initiative and draw Lin Luoyan's "special" attention. The relationship between the two seems to be gradually becoming intimate. There is also the technical high school girl, the daughter of the owner of the movie rental store, Du Xinyue. Her rebellious and extraverted character has a subtle influence on Lin Luoyan, and she also develops a strong interest in "The Wood"–Jiang Muffin. However, because of the seating adjustment, Jiang Mufan's seat mate changed from Xia Ya, who has been silently watching over him, to Xiao Chang, the tomboy who can't stop talking to him! All this make Jiang Mufan panic. Can he still fulfil the promise he made on the rooftop? How will everyone's relationship turn out to be?...

Jiang Mufan, who was admitted to the top school in the province, Qingxue High School, is from a privileged but low-key family. He is temporarily designated as a study committee representative. Various opportunities of campus life provided various opportunities for Jiang Mufan and Lin Luoyan to meet and with that, their relationship starts to bud... Lin Luoyan deeply believes that he should not date at such a young age, yet Jiang Mufan is making him sinking deeper and deeper. Is this the feeling of first love? However, the test results were released, and Jiang Mufan, who had been a top student since birth, fell all the way to the bottom of the pile! Upset? Depressed? Jiang Mufan is determined to pull himself together, for the sake of his dreams, but also in order to be able to go to Peking University with his love! But while Jiang Mufan is studying hard, Shao Tianyang, a troublemaker in his class, is getting closer and closer to Lin Luoyan....