The hero and heroine have just graduated from college and have no social experience. They have unlimited vision for the future. At this time, the hero and heroine have been in love for four years in college, full of longing for the future, and the ridiculous story is unfolding like this... However, the carefree life of college and the complicated future in society have created a series of tests for their relationship. Can they still be together as happily as they were in college, or will they eventually be separated due to these setbacks? The hero Zhang Xiaoshan and the heroine Zhou Xiaoyun.