A young couple's love is tested when Sun-jin is diagnosed with a rare form of Alzheimer's disease.
Choi Chul-soo
Kim Su-jin
Seo Yeong-min
Jung An-na
Mr. Kim
Mother
Jeong-eun
Madame Oh
Supervisor
Doctor Lee
Manager Park
Section Chief Cha
Construction Worker 1
Construction Worker 2
Construction Worker 3
Yu-na
Ji-hyun
Model
Homeless
