The drama tells the story of a heroine who had to give up her studies because she became pregnant in her senior year of high school at the age of 19, and what happened after she was admitted to the same university as her son at the age of 39. In the drama, Choi Ji-woo will play the heroine who challenges herself to go to university again at the age of nearly 40 in order to be proud in front of her husband and son.