In Korea, no one wants to get married and no one gives birth anymore. The revolution of family has already begun. The futurists predict that birth will not be the sole method of creating family in the world. The number of people living alone have increased drastically, and that is the exact reason why family has become more important. This is a story of a middle aged-man's fight to stop his family from falling apart begins. After retiring, he was certain that only good days were ahead of him for him and his family. Things were supposed to be good, they were supposed to be better after his retirement, but unexpected twists and turns make that hard for him. His wife wants a marriage graduation, an unexpected person enters the life of his son, and his daughter has always disappointed him. Will he be able to keep his family from falling apart?