很久以前，那是一个人类向往宇宙、充满探索精神的时代。世界各国在太阳系的各个行星上建造了新的城市，许多人在那里平静地生活。日本新道县之一，建在火星上，被称为“第四东京都”。
Min joong and Ga hee are a campus couple and friends of Geun tae. Gentai has a crush on Jiaxi, asking her out to dinner and telling her how he feels about her. Ga hee knew his feelings, but she told him that she had fallen in love with Min joong and did not acknowledge his feelings for her. Gentai was dissatisfied with Minzhong's treatment of Jiaxi and felt sorry for her. Therefore, Genta came up with a plan to break them up by introducing a girl named Abbott to them...
