On Your Wedding Day

During the summer of his junior year in high school, Woo-Yeon (Kim Young-Kwang) spends his time getting time into fights. He isn’t interested in studying. He then meets new transfer student Seung-Hee (Park Bo-Young) and falls in love with her at first sight. Seung-Hee though isn’t interested in Woo-Yeon. To avoid the other male students, Seung-Hee and Woo-Yeon pretend to date. Seung-Hee also asks him to stop fighting. He keeps his promise and their relationship develops into a real romantic relationship. One day, Seung-Hee calls Woo-Yeon and tells him to take care. She then leaves town.

One year later, Woo-Yeon works at a chicken restaurant and has not gone on to a university. He happens to learn that Seung-Hee is at student at Hankook University in Seoul. Woo-Yeon studies hard and he gets accepted into the same university. Finally, Woo-Yeon meets Seung-Hee, but ….

高中时年少懵懂的纯纯爱恋，经过长达十年的磨合，期间感情不断地变化，从心碎争执、失恋痛苦直到重新恋爱，不断重复纠缠在一起。这是属于一个只看着一个女人的「纯情男子」（金英光 饰），以及猜不透内心想法的「初恋女子」（朴宝英 饰）两人间的爱情故事，恋爱的酸甜苦辣即将展开……