It's 2016 and a wedding is being held. A group of friends are reunited on this occasion nearly 20 years after their separation. Flashback to May 5, 1995, when they were still in high school. A Good Day tells the story of the youth and struggle of a group of friends that ultimately shapes their present adult lives. Can they find peace with their past and each other to reach a better tomorrow? ~~ Two versions: 66 episodes, 60 min per episode (original broadcast) || 23 episodes, 120 min per episode (rebroadcast)