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

Ju Jin-mo

Ham Sung-hoon

View full details

Whole-series threads below. For an episode, open its per-episode discussion.

Sign in to join the discussion — comments are spoiler-gated to your watch progress.

Start the conversation

No comments yet. Sign in to be the first — pick a prompt to get started.

About this title

Operation Proposal

2012 · 1 season · Ended

Comedy Drama Sci-Fi & Fantasy

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.