Have you ever thought how amazing would be to travel back in time in order to change some of your decisions? It would be really cool if you could avoid those annoying mistakes, right? This is the case of Jung Taeho (you) a man on his 40's who regrets the bad decisions he took in the past. Due to his past, he ended up divorced, alone with his parents and in debt with a serious mafia because of his clumsiness with drugs business world. But not everything's over, and there's always a second chance. Will he take that amazing chance?