Donghae and Jessica fall in love at first sight with each other and decide to get married. They are the most sweetest couple on earth than anyone else could be. Sharing everything together, comforting each other throughout their hardest time and even willing to die for each other. Unfortunately, some misunderstanding occured causing their household to break apart after strive their best to raised it for about 1 year. After 5 years, faith bring them together in unexpected way. What surprised Donghae the most when she already had a kid. He try  to discover whether the kid was his at the same time trying to win his widow's heart back. Will he succeed?