The K-eldest-son and K-eldest-daughter meet while sacrificing themselves in search of happiness and love.
Kim Tae Joo
Lee Sang-joon
Kim So-rim
Kim Gun-woo
Cha Yoon-ho
Shin Mu-young
Jang Hyun-jeong
Lee Sang-min
Kim Tae Joo [Young]
Jang Se-ran
