After the resumption of the college entrance examination in 1977, the long-distance relationship between Longkou Town’s Xu Tian (played by Wu Xiubo) and his girlfriend Wu Qing (played by Wu Yue) had a turning point. After Wu Qing's mother learned that her daughter was pregnant, she forced her to set three conditions with Xu Tian: Xu Tian could only marry Wu Qing if he enrolled in college and earned a thousand yuan. This put tremendous pressure on Xu Tian. On the day of the college entrance examination, he ran into his friend Fei Bing and the art candidate Mei Guo (played by Dong Jie). When Mei Guo's backpack was stolen, Xu Tian desperately chased after the thief and ended up finding a thousand yuan in the backpack. In a moment of impulse, Xu Tian lost Mei Guo’s exam admission ticket. Missing out on the college entrance examination drove Mei Guo into despair, and guilt-ridden, Xu Tian continued to take care of her. After many twists and turns, both Wu Qing and her colleague Lu Qinsheng were admitted to medical university. However, Xu Tian's scores were invalidated due to a conflict with the village secretary, which left Wu Qing in despair. After several messages from Lu Qinsheng pushed Xu Tian to his limits, he visited Wu Qing, only to hear that she had already had an abortion. In a fit of sadness and anger, their engagement was called off. Xu Tian then began working at a cotton spinning mill, which caught the attention of the factory beauty He Jia (played by Hai Qing), who continuously pursued him, while Xu Tian found himself torn between his feelings for Wu Qing and Mei Guo. One day, Xu Tian happened to meet a middle-aged man (played by Zhang Jiayi), who gifted him a passage from the Heart Sutra...