Once a promising taekwondo athlete with'swing kick' and Mi Ra, who dreamt of becoming an idol became parents at the age of 17. Now they're 33 and have a boy Ah-reum. Because of an exceptionally rare genetic disorder called progeria, Ah-reum ages substantially faster than people. His own body is the 80-year old man's While he is only an adolescent. Despite all the insecurities and negativity in their own lives, this tight knit young family carries on, taking a day at a time. One afternoon, Ahreum's narrative is broadcasted via network television program. He's unexpectedly thrown into the spotlight, and his normally dreary days are filled with moments of joy happiness and sorrow?