Operation Proposal

Kang Baek-ho and Ham Yi-seul have been best friends since elementary school. Baek-ho has never acknowledged his attraction to her, unaware that Yi-seul has been in love with him for more than 20 years. Finally, at the wedding ceremony where Yi-seul is about to marry another man, Baek-ho regrets that he never confessed his love for the bride. A mysterious conductor suddenly appears and offers him a second chance to win Yi-seul's heart. Baek-ho travels back in time to various events of their lives hoping to change the outcome of their relationship. But changing the future is not as easy as it seems.

Cast

Yoo Seung-ho

Kang Baek-ho

Park Eun-bin

Ham Yi-seul

Go Kyung-pyo

Song Chan-wook

Kim Ye-won

Yoo Chae-ri

Lee Eung-kyung

Oh Jung-rim