A man sets up the First Love Agency to help people locate their long-lost first love. But then he ends up falling in love with his first client.
임수정
Seo Ji-woo
Gong Yoo
Han Gi-joon
천호진
Seo Dae-ryung
전수경
Soo-kyung
류승수
Gi-joon's Brother-in-law
이청아
Ji-hye
이제훈
Woo-hyung
Kim Min-ji
Chae-ri
Lee Jun-ha
Woo-ri
조한철
Yun-chool
Seon Jong-nam
Assistant
김동현
Jae-ha
