A man is tormented by the death of his girlfriend in an accident that occurred before his eyes, he decides to secretly help her sister fulfill her dream of becoming a songwriter.
as Yoon Se-na
as Lee Hyeon-wook
as Shin Hae-yun
as Shi-woo
as Seo Yoon-ji
as Kang Tae-min
as Roy
as Seo Jae-young
as Kang Rae-hun
as Yoo Sang-bong
as Oh Hee-sun
as Bool-gom / Brown Bear
as Yoo Ra-eum
as Yoon So-eun
as CEO Lee Jong-ho
as Bae Sung-jin
