In her sophomore year, Cheng Jingyin finally qualified as an exchange student at M University in Country A. Was she traveling across the ocean for her ideals or for that distant him? However, during one semester at M University, her mood was ups and downs. Was it because of him? Or is he the same person far away in his homeland? Old dreams are hard to forget, and new difficulties are solved. A group of young people bravely challenge the problems of youth, ideals, and love. Who wins, loses, or both loses, all are left to the time to answer.