Based on a series of true stories posted by Ho-sik Kim on the Internet describing his relationship with his girlfriend. These were later transformed into a best-selling book and the movie follows the book closely. It describes the meeting of Kyun-woo (Cha) and an unnamed girl. Kyun-woo is shamed into assisting the girl because the other passengers mistakenly think she is his girlfriend. Once he helps her, Kyun-woo develops a deep sense of responsibility for her which enables him to tolerate (somehow) the girl's abuses. 你昂起的头永远看不到我低着头流下的眼泪。。在百度百科里看到的一段解读，细思极恐啊，因为这十处确实都在片中出现过，好好一部爱情喜剧片一瞬间颠覆成悬疑惊悚了！（不过我还是想问蛤蟆跟UFO到底有啥关系。你要多努力，才能看起来毫不在意。全智贤多么幸运，才能遇到牵牛。回味老片。你是我的全智贤，我只偷看你一眼。十年（瀑布汗，居然是我第一篇影评，好吧，我真的很懒）。爱一个人太不容易了。命运终不会弄丢两个相爱的人。"她"真美。 牵牛（车太贤饰）第一次与她（全智贤饰）邂逅，就毫无浪漫感可言。在地铁上她就语出惊人，喝的醉醺醺的她大声训斥不自觉给老人让座的人，吐完之后就软趴趴地倒了下来。善良的牵牛上前接住，于是就只好背着她到旅馆投宿了。但是好心不一定有好报，牵牛正在好好洗澡时就被冲进来的警察带走了。 然而这两个人却从此开始约会了。她很霸道很任性，然而当她用那张可爱的面孔对着你笑时，你也忍不住心软。于是牵牛也心甘情愿地被她折磨。渐渐的，牵牛感觉到她的内心受伤了，他用尽全力去呵护去保护，她仍然缺乏安全感。虽然在一起很快乐也很感动，她却仍然提出了一个难以接受的约定：让我们先分开吧……
