Dirección: 이장훈
Woo Jin cuida a su hijo Ji Ho después de que su esposa Soo fallece. Antes de fallecer, ella prometió que regresaría un año después en un día lluvioso. Un año después, Soo aparece nuevamente, pero ella no recuerda nada.
소지섭
Woo-jin
Son Ye-jin
Soo-a
Kim Ji-hwan
Young Ji-ho
고창석
Hong-gu
Lee Jun-hyeok
Swimming Instructor
손여은
Hyun-jung
이유진
Young Woo-jin
김현수
Young Soo-a
배유람
Young Hong-goo
서정연
Seo-bin's Mother
Park Seo-joon
Ji-ho
공효진
Han Bok-nyeo
Lee Min-sung
Seo-bin
이승준
PE Teacher
Shin Woo-hee
Homeroom Teacher
조하석
Relative
Seo Young-sam
Bus Driver
정수빈
So-jung
백현우
Math Teacher in the Past
정서인
Relative
소지섭
Woo-jin
Son Ye-jin
Soo-a
Kim Ji-hwan
Young Ji-ho
고창석
Hong-gu
Lee Jun-hyeok
Swimming Instructor
손여은
Hyun-jung
이유진
Young Woo-jin
김현수
Young Soo-a
배유람
Young Hong-goo
서정연
Seo-bin's Mother
Park Seo-joon
Ji-ho
공효진
Han Bok-nyeo
Lee Min-sung
Seo-bin
이승준
PE Teacher
Shin Woo-hee
Homeroom Teacher
조하석
Relative
Seo Young-sam
Bus Driver
정수빈
So-jung
백현우
Math Teacher in the Past
정서인
Relative
소지섭
Woo-jin
Son Ye-jin
Soo-a
Kim Ji-hwan
Young Ji-ho
고창석
Hong-gu
Lee Jun-hyeok
Swimming Instructor
손여은
Hyun-jung
이유진
Young Woo-jin
김현수
Young Soo-a
배유람
Young Hong-goo
서정연
Seo-bin's Mother
Park Seo-joon
Ji-ho
공효진
Han Bok-nyeo
Lee Min-sung
Seo-bin
이승준
PE Teacher
Shin Woo-hee
Homeroom Teacher
조하석
Relative
Seo Young-sam
Bus Driver
정수빈
So-jung
백현우
Math Teacher in the Past
정서인
Relative