A story of two couples' journey of new love, loss and unexpected reunion spans decades, from the 1970s through present day.
Jang Keun-suk
Yoona
Son Eun-seo
Seo In-guk
Hwang Bo-ra
Kim Si-hoo
Lee Mi-sook
Kim Young-kwang
Park Se-young
Shin Ji Ho
Jung Jin-young