Hao Nan (played by Guo Jingfei), who had left the education industry for three years, returned to his teaching position after failing to run a store. Eighteen-year-old Ren Zhen (played by Ren Min) failed the college entrance examination due to his unreliable father. He met the equally frustrated Hao Nan on the rooftop, but Hao Nan encouraged Ren Zhen with his own personal experience. Coincidentally, Hao Nan, who became the head teacher of Class 14 of the third grade of Qingyun Middle School, met Ren Zhen, who was new to the class, again. In the days of preparation for the college entrance examination, Hao Nan and the students in the class went from not understanding each other to sympathizing with each other. With his efforts, this group of teenagers who were looking forward to the future gradually opened their hearts and began to trust this special teacher. Hao Nan understood the dreams of each student and the life values they wanted to achieve. He was like a watcher in the wheat field, guarding the teenagers with dreams, allowing them to actively fight for the future, respond to the college entrance examination in a full state, and welcome their own brilliant life.