After graduating from high school, Young Zhilang (Liu Le Youmi) goes to work at the gas station in spite of his parents' obstruction. He is supported by his grandmother, who is only in her 70s (Xia Muyi is acted the role of). Her words and deeds are very westernized. There is also a boyfriend in his 20s (Chen Bolin) who often teaches Zhilang how to fall in love, but the simple Zhilang only half knows what love is. One rainy night, Zhilang witnessed a dispute between a young girl and her lover in the street. the tearful appearance of the young girl seemed pitiful and helpless, which was deeply engraved in Zhilang's heart. One day, Naili, a college student who took a part-time job in the gas station, turned out to be the girl in the rainy night before. The feeling of being in love is suddenly filled with Zhilang's whole body, although Nai Li's emotions are all because of his ex-boyfriend (Gao Jiao Yifu), Zhilang still tries his best to please her. Naili was gradually moved by Zhilang's sincerity, and she accepted the affection. Having his first taste of love, Zhilang stuck together with Neri every day and made an appointment to live together at the age of 19, but one day Naili suddenly left without saying anything.