The Rest of My Life Is Filled with Regrets Over Old Flames

This is a contemporary romance about Jiang Xu, a man who failed his graduate school entrance exams, and the romantic online relationship he starts with a woman named Li Ran. After failing his exams, Jiang Xu rents a place in the city and lets himself go. He meets Li Ran in person after dating her online, and together they begin to yearn for a distant island. He throws himself into making a life in an unfamiliar city, and they fall in love. But his deep insecurity and immaturity cause him to briefly lose the best girl he could have ever hoped for.

After losing her, he gets drunk at a bar and meets the actress Xu Zhao. The two start a relationship, but eventually break up. On his way home, he encounters Wen He, CEO of Yunchuan Technology, at a high-speed rail station. By a twist of fate, the two share a life in Shanghai that others can only dream of, but Jiang Xu loses it because he can never face himself. Disheartened, he returns to his old family home in Nanjing and meets Su Yan, a former female classmate from his graduate school days. Their old feelings reignite, and they spend years together, until a phone call throws everything into disarray and separates them.

After many twists and turns, Li Ran buys the apartment Jiang Xu is renting in Nanjing. Living under the same roof, they let go of their differences and finally join hands.