Everyone has one or a few secrets in their heart that cannot be shared with others, and usually there are more secrets of love. Whether you are a man or a woman, there is someone you have loved deeply. Maybe it was because you met the right person at the wrong time; maybe you met the right person at the right time, but you couldn't be together because of fate. However, he left a deep mark in our hearts that cannot be erased and is locked up. In this story, Huaixin also experienced an unforgettable love in her peaceful life, and her life changed dramatically from then on. Huaixin never thought that an unforgettable love experience would happen in a peaceful small Chinese town.