An ordinary girl, Yi Youran, had a crush on her superior, Xie Ju'an, at the freshman party in high school. During the process of her crush, she met his classmate Chen Xing, and the two became a happy couple. As time went by, the two slowly developed feelings. As time passed, he accompanied her throughout his youth and sacrificed his entire youth for her. Many years later, as the spring breeze blows, things and people have changed, but the brightest star in the night sky will always shine brightly in people's hearts.