Limited to 500 Tong Lin, a twenty-four-year-old woman. She said she wanted to find someone who would hold hands with him and grow old together with her. At the age of twenty-one, a boy named Zhong Hao broke into her life. He becomes his man and she becomes his woman. He said, I want to be with you forever. She believed it and followed him, from college fairy tale to reality, without regrets. The years are quiet, the clouds are calm and the wind is gentle. Until one day, a woman's text message broke the original balance. He explained, but she was silent. She believed in their love, but not in that shameful mistress. She began to grow up and could not face him... Lin Chen, her childhood playmate, came back from abroad and began to pursue her music dream. At the same time, she also began to re-examine her feelings for Tong Lin. Qingqing, Lin Chen's younger sister, is a smart high school student burdened with a huge secret. Kevin, a high school student, has a crush on Qingqing and is hurt, and begins to embark on a path of no return.