“A heart's first awakening.”
Two men and two women, their relationship begins in tragic fates, and it grows into love, agony, and parting.
Yoon Jun-seo
Song Seung-heon
Yoon Eun-seo / Choi Eun-seo
Song Hye-kyo
Han Tae-seok
Won Bin
Choi Sin-ae / Yoon Sin-ae
Han Chae-young
Shin Yu-mi
Han Na-na
Im Gyeong-ha
Sunwoo Eun-sook
Professor Yoon
Jeong Dong-hwan
Yoon Ji-hwan
Lee Han-wi
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