Synopsis
Choi Ban-do(Son Ho-jun) and Ma Jin-joo(Jang Na-ra) are both 38 years old and married with a little son. Both are struggling through daily lives that leave them exhausted and unhappy. Ban-do is a pharmaceutical salesman who spends his days begging people to buy his medicines and his evenings either drinking with prospective clients or helping an arrogant and cruel hospital director, Park Hyun Suk(Im Ji-kyu), to hide the fact that he is cheating on his wealthy wife. Jin-joo is a housewife who raises their son while struggling to find meaning in her life and feels lonely and abandoned by Ban-do. After coming to a breaking point in their relationship, Ban-do and Jin-joo wake up to find themselves as 20-year-old university students. They don't know why they are there or how long they will stay so they decide to enjoy it and make different choices than they did the first time around. These decisions impact their families and friends.
