Plot
A couple of teenagers have a son who suffers from progeria, a rare genetic disorder which makes one age exponentially faster than normal. 16 years later, the child has the body of an 80 year old in the final days of his life writing a book about his parents' love story.
Trailer
Cast
Song Hye-kyo
Mi-ra
Gang Dong-won
Dae-soo
Jo Sung-mok
Ah-reum
Baek Il-seob
Mr. Jang
Heo Joon-seok
Seung-chan
Kim So-jin
Writer Kim
Cha Eun-woo
Ah-reum
Chae Seo-jin
Lee Seo-ha
Lee Sung-min
Ah-reum's Doctor
Kim Kap-soo
Dae-soo's Father
Choi Yoon-seok
Aspiring to be Director
Hwang Seok-jeong
Praying Woman
Lee Sae-ro-mi
Praying Woman
Chae Yoon-hee
Praying Woman
Han Seung-hyun
Dae-soo's Junior
Yang Seung-geol
Mi-ra's Father
Ahn Hyeon-jeong
Mi-ra's Mother
Taeyeon
Self
Tiffany Young
Self
Seohyun
Self
Lee Yun-u
Bad Girl
Kang Suk-won
Taekwondo Team Coach
Son Cheol-min
Husband
Choi Seo-yeon
Taxi Woman
Park Gyeong-hyeon
Grandmother
