So-young, a 65-year-old woman is so called ‘Bacchus lady’, one of the most reputed prostitute for old men at the old park in the center of Seoul. One day she learns that her customer SONG gets stroke, and pays him a visit. Being left behind by his family SONG cries out for his miserable life; and desperately asks So-young to end his life. After a long hesitation So-young decides to help him. When she confesses SONG’s death assistance to another customer Jae-woo, Jae-woo asks if it is possible to kill his friend who’s suffering from Alzheimer’s disease. So-young persistently refuses but at last grants his favor. So-young finally falls into chaos when Jae-woo eventually asks her to help his suicide after long loneliness.

Dae-su, once a promising taekwondo athlete with ‘incompetent swing kick’ and Mira, who dreamt of becoming an idol, unexpectedly became teenage parents at the age of 17. Now they’re 33 and have a 16-year old son Ahreum. Due to an extremely rare genetic disorder called progeria, Ahreum ages exponentially faster than normal people. Even though he’s just a teenager, his body is that of an 80-year old man’s. Despite all the negativity and hardships in their lives, this tight-knit young family carries on, taking one day at a time. One day, Ahreum’s story is broadcasted nationally via network TV program. He is suddenly thrown into the spotlight, and his normally dull days are now filled with moments of happiness, joy and sorrow?