At the wedding of Qiu Ya (played by Wang Zhi), his first love when he was a student, Xia Luo (played by Shen Teng), who had been living a soft life and being supported by his wife after graduation, pretended to be a rich man and made a fool of himself. In the middle, he was also cheated by his wife Ma Dongmei (played by Ma Li). Puncture violently. In the chaos, Charlotte accidentally traveled through time and space and returned to the classroom of her student days in 1997...