Go Back Couple) is a 2017 South Korean television series starring Son Ho-jun and Jang Na-ra.

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), 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.