A story of two couples' journey of new love, loss and unexpected reunion spans decades, from the 1970s through present day.
Jang Keun-suk
Seo Joon & Seo In Ha
Yoona
Kim Yoon-Hee & Jung Ha Na
Son Eun-seo
Baek Hye-jung
Seo In-guk
Kim Chang-mo & Kim Jeon-seol
Hwang Bo-ra
Hwang In-sook
Kim Si-hoo
Lee Sun ho & Lee Dong-wook
Lee Mi-sook
Kim Yoon-Hee
Kim Young-kwang
Han Tae-sung
