Won-tak’s father Young-gyu is in prison. One day before his release, he suffers a fatal accident. Won-tak and his mother did not like Young-gyu, but they are devastated by the news. At the morgue Young-gyu, who is now a ghost, encounters an angel. He begs to see his family one last time before leaving earth. Moments later, Young-gyu sees himself as a young healthy high school teenager. He immediately goes to his son’s school as a transfer student so he could see his family again and to make up for the wrongs he had done them. Young-gyu makes constant efforts to become friends with his son but it is not easy. What will take place next with this teenage Father and Son?
(Source: http://www.koreanfilm.or.kr)