I regretted my youth due to my weak character. By chance, I returned to my senior year in high school, determined to change my weak character and once again appreciate the friendship and family affection around me. She is eager to discover the subtle beauty of youth that she once ignored, as well as her understanding and perception of family warmth. And work hard together with Lin Mo to pursue the glory of career, love and friendship, and regain the purity and beauty scattered in the years of youth.