Yong mendengar suara orang asing dari masa depan, menghubungkan mereka satu sama lain dan berbagi kisah cinta mereka.
여진구
Kim Yong
조이현
Kim Mu-nee
김혜윤
Seo Han-sol
나인우
Oh Young-ji
배인혁
Kim Eun-seong
노재원
Joo Geun-tae
남민우
Park Nam-hae
임유빈
Lee Seon-joo
유재명
Supervisor
박하선
Professor of Sociology
신주협
Park Man-soo
Yeo Joo-ha
Lee Yoo-jin
송우림
Student