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.
Operation Proposal (Season 1)
Episode 1 (Episode 1)
Air date: 2012-02-08
Runtime: 60 min
Episode 2 (Episode 2)
Air date: 2012-02-09
Runtime: 60 min
Episode 3 (Episode 3)
Air date: 2012-02-15
Runtime: 60 min
Episode 4 (Episode 4)
Air date: 2012-02-16
Runtime: 60 min
Episode 5 (Episode 5)
Air date: 2012-02-22
Runtime: 60 min
Episode 6 (Episode 6)
Air date: 2012-02-23
Runtime: 60 min
Episode 7 (Episode 7)
Air date: 2012-02-29
Runtime: 60 min
Episode 8 (Episode 8)
Air date: 2012-03-01
Runtime: 60 min
Episode 9 (Episode 9)
Air date: 2012-03-07
Runtime: 60 min
Episode 10 (Episode 10)
Air date: 2012-03-08
Runtime: 60 min
Episode 11 (Episode 11)
Air date: 2012-03-14
Runtime: 60 min
Episode 12 (Episode 12)
Air date: 2012-03-15
Runtime: 60 min
Episode 13 (Episode 13)
Air date: 2012-03-21
Runtime: 60 min
Episode 14 (Episode 14)
Air date: 2012-03-22
Runtime: 60 min
Episode 15 (Episode 15)
Air date: 2012-03-28
Runtime: 60 min
Episode 16 (Episode 16)
Air date: 2012-03-29
Runtime: 60 min
