The unrestrained swordsman Huo Zhanbai seeks medicine for a friend's child and encounters the pharmacist Xue Ziye. Over eight years of daily interaction, they progress from having their own convictions to deepening understanding, mutual redemption, and a promise to meet under a plum tree the following year. However, due to the responsibilities they bear, they find it difficult to express their love, leaving behind a regret of eternal separation. Amidst the joyous toasts in the snowy night and a farewell across a thousand miles, a poignant and unforgettable missed opportunity unfolds—a love destined to be unable to endure, depicting a tale of redemption and letting go in a life-and-death romance.

He Luo is a quiet and smart model student who excels in English and dreams of becoming a diplomat. Besides, she has a special hobby: She loves to fantasize and integrates the people and situations around her into manhua plots. This summer, when He Luo goes to a tennis competition and sees the team leader Zhang Yuan, she falls head over heels for this beautiful and proud guy. Fate is on HeLuo’s side as they happen to meet again in English evening classes and confront each other during the school’s debating competition. The two become friends, but in He Luo’s imagination, he’s the main lead in her manhua. When He Luo’s friends find their own love, He Luo and Zhang Yuan finally open up about their true feelings. They agree to apply for the same university, however, Zhang Yuan fails to get in. From being in two different classes in the same school, they end up going to different universities in two different cities, and later even different countries, each making their own experiences while growing up. What will become of these two in the end?

With graduation near, Cheng Xin proposes to her boyfriend Zheng Qian, but he rejects her, feeling unprepared for marriage or success. When he also refuses her help in finding a job, Cheng Xin secretly creates an opportunity for him to prove himself. As Zheng Qian struggles to find his path, their relationship is quietly tested by love, pride, and ambition.

In a bustling city, the Wen, Yan, Lu, and Xin families represent the four leading business groups, with their heirs—Wen Siguan, Yan Xi, Lu Liu, and Xin Dayi—growing up as close friends. After being sent away for her health, Wen Heng returns home over a decade later, captivating Yan Xi at first sight. The group navigates their youth through school and embarks on their careers post-graduation, with Yan Xi and Wen Heng pursuing fashion design while Wen Siguan and Xin Dayi take on roles in their family businesses, supported by Lu Liu. As competition intensifies, tensions arise, causing a temporary rift among the friends. Ultimately, they reconcile and learn the importance of friendship and growth, while Yan Xi and Wen Heng overcome challenges to build a lasting and fulfilling relationship.