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.Twelve years later, Soo-wan now works as an emergency rescue worker, while Dong-joo is a surgeon. They meet each other again.
Elenco: Lee Sang-yoon , Koo Hye-sun , Kang Ha-Neul , Nam Ji-hyeon , Kim Ji-seok , Yoon Ye Joo , Jung Jin-young , Gong Hyung-jin , Seungri , Hyun Jyu-ni , Jung Ae Ri , Kwon Hae-hyo , Shin Hye-sun .