上世纪90年代的暑假，一对青梅竹马的嘉恩和人为一起来到大学，接受大学联考放榜很不幸的是，人为顺利的考上了台北的城东大学即将迎来美好的大学生活，而嘉恩却因为帮助别人错失了上榜的机会，从而落榜，失落的回到乡下一个人在乡下，决定重新备考继续参加高考，考入理想的大学。一个人在乡下让嘉恩十分寂寞，他下定决心到台北展开自己的复读生活

一路飘扬到台北，好不容易到达，嘉恩发现父母开的茶店就在城东大学的旁边，于是高兴极了，但是茶店的门却是关着的父母一起出去游玩了在一个偶然的机会下，本来要到城东宿舍找人为的嘉恩不小心走到别人的房间，从此和这个房间的人结下了不解之缘，嘉恩误闯他人房间住宿的风波在学校传的沸沸扬扬，接下来又会发生什么事情呢？

In the summer vacation of the 1990s, a pair of childhood sweethearts, Jia En and Ren Wei, came to the university together, and accepted the university entrance examination. Successfully admitted to Taipei's Chengdong University and is about to usher in a wonderful university life, but Jiaen missed the opportunity to be on the list because of helping others, so she failed the list, and returned to the countryside in despair. Alone in the countryside, she decided to prepare for the exam again The college entrance examination, admitted to the ideal university. Being alone in the countryside made Jia En very lonely, and he made up his mind to start his repeat life in Taipei

Flying all the way to Taipei, finally arrived, Jiaen found that the tea shop opened by her parents was next to Chengdong University, so she was very happy But the door of the tea shop was closed. My parents went out to play together. By chance, Jia En, who was going to the Chengdong dormitory to find wages, accidentally walked into someone else's room, and since then formed a bond with the person in this room. Knowing the indissoluble bond, the rumor that Jiaen broke into other people's room by mistake spread in the school, what will happen next?