In her junior year, she was frustrated in love and had a one-night stand with Su Jingnan. Although like many strangers with similar experiences, they parted ways and went their separate ways, the regret lingered in her heart. After many years, Ye Xiaowan, who had become a company employee, suddenly discovered that Su Jingnan was a major customer of his company. The cooperation on the project forced her to have frequent contact with him. He was aloof, cold and calm, but he protected her in every way. Gradually, he burned the most secret cinnabar in her heart and carved a thorn that was difficult to extricate...