Introverted boy Yan Chen has been secretly in love with the school beauty Bai Lu for three years, but he dare not confess because of his low self-esteem. On the eve of graduation, he decides to confess at the dance. His best friend Su Nian has been silently supporting him and helping him plan, but he hides his sadness. On the day of the confession, Yan Chen discovers that Bai Lu loves the student union chairman Lu Ci, and fails in embarrassment. Su Nian accompanies An. Comfort, the relationship between the two quietly changed; Yan Chen gradually realized that what he really cared about was Su Nian, but when he was preparing to confess, he learned that Su Nian was forced to date the blind date; the blind date turned out to be Yan Chen's cousin Silent, who appeared gentle but concealed ambition, trying to use Su Nian's family business to turn over; Yan Chen was Protect Su Nian and team up with friends to expose the business conspiracy of Silence; after Silence failed, Su Nian refused to trust love due to the shadow of her parents' divorce and rejected Yan Chen; Yan Chen did not give up and spent a year patiently accompanying her while dealing with old family grudges - Su Nian's mother had an emotional entanglement with Yan Chen's father, and the two elders There was a long-term feud; in the end, Yan Chen convinced his parents and Su Nian opened his heart; Bai Lu clarified the misunderstanding, but Yan Chen was determined; during the graduation season, Yan Chen gave up going abroad and started a business with Su Nian, transforming Su Nian's family business into a charity brand; the story ends with a seaside graduation trip, symbolizing rebirth and two-way travel.