17year-old Kang Zhong San moved to Chuncheon - a small rural town in the northeast of South Korea. Father guy not unimportant relationship with his mother, and he seeks solace in the exact sciences, which is very successful. Not surprisingly, teachers and classmates say, without exaggeration, unsociable and closed Zhong Sanaa physical and mathematical genius.Only one Jeong Yu-jin new friend became interesting as a person, so that the sensitive and deep feelings of the girl managed to gradually break the ice in relations. The school has a new pair. And then there was a misfortune that a visor in love, and the other - has a name and the past... The fate again confronts the heroes in ten years.He became a famous architect, it is - a business lady. He does not remember it, it is at first sight recalls it, and here begins the main action, in which the journey across three continents pale before the painful wandering souls of heroes in search of answers. Life and death, birth and rebirth,destiny and purpose - in this tangle of eternal questions was born one of the best Korean dramas of all time. Anime, skim through it, you will not be disappointed!