Yoon Soo-wan and Park Dong-joo were each other's first loves, but were forced to separate due to painful family circumstances. Soo-wan, who had been blind, eventually undergoes an eye transplant surgery that restores her sight.
Lee Sang-yun
Park Dong Joo
Koo Hye-sun
Yoon Soo-wan
Kang Ha-neul
Young Park Dong-joo
Nam Ji-hyun
Young Yoon Soo-wan
Kim Ji-seok
Kang Ji-woon
Yoon Ye-joo
Park Hye-joo
Jung Jin-young
Yoon Jae-beom
Gong Hyung-jin
Ki Woon-chan
SEUNGRI
Teddy Seo
Hyun Jyu-ni
Cha Min-soo
Jung Ae-ri
Oh Young-ji
Kwon Hae-hyo
Kim Woo-chul
Shin Hae-sun
Young Cha Min-soo
Jeong Jae Min
Park Dong Joo
Lee Sang-yun
Park Dong Joo
Koo Hye-sun
Yoon Soo-wan
Kang Ha-neul
Young Park Dong-joo
Nam Ji-hyun
Young Yoon Soo-wan
Kim Ji-seok
Kang Ji-woon
Yoon Ye-joo
Park Hye-joo
Jung Jin-young
Yoon Jae-beom
Gong Hyung-jin
Ki Woon-chan
SEUNGRI
Teddy Seo
Hyun Jyu-ni
Cha Min-soo
Jung Ae-ri
Oh Young-ji
Kwon Hae-hyo
Kim Woo-chul
Shin Hae-sun
Young Cha Min-soo
Jeong Jae Min
Park Dong Joo
Lee Sang-yun
Park Dong Joo
Koo Hye-sun
Yoon Soo-wan
Kang Ha-neul
Young Park Dong-joo
Nam Ji-hyun
Young Yoon Soo-wan
Kim Ji-seok
Kang Ji-woon
Yoon Ye-joo
Park Hye-joo
Jung Jin-young
Yoon Jae-beom
Gong Hyung-jin
Ki Woon-chan
SEUNGRI
Teddy Seo
Hyun Jyu-ni
Cha Min-soo
Jung Ae-ri
Oh Young-ji
Kwon Hae-hyo
Kim Woo-chul
Shin Hae-sun
Young Cha Min-soo
Jeong Jae Min
Park Dong Joo