Lin Xuan and Su Mo grew up together and have deep feelings for each other. However, after entering college, Lin Xuan fell in love with the school beauty Gu Qing. Lin Xuan was deeply fascinated by Gu Qing's cold and mysterious personality. Although he felt Su Mo's silent dedication and tenderness towards him, he was still attracted to Gu Qing. Su Mo was conflicted. On the one hand, she wanted to be with Lin Xuan, but on the other hand, she was unwilling to force him. In frequent campus activities, the three gradually established a subtle relationship. Lin Xuan's pursuit of Gu Qing failed to make progress, and Gu Qing gradually developed a good impression of Su Mo. As the story develops, Su Mo discovers that his feelings for Gu Qing are not just friendship between friends, but true love. Faced with this sudden feeling, Su Mo experienced an inner struggle and finally plucked up the courage to confess to Gu Qing. Gu Qing also realized his deep feelings for Su Mo, and the two finally came together. Lin Xuan witnessed all this. Although he was disappointed in his heart, he gradually learned to fulfill the happiness of others, and found his inner growth and self-worth in the process.