Kang Baek Ho may be a feeble young man inside a poor working condition and also without an 880, 000 Won to boast is placed to attend his outdated childhood friend Yi Seul's wedding party. Baek Ho during marriage realized that Yi Seul who were by his side within the last 20 years is at this point the wife of another man. Baek Ho and Yi Seul happen to be the best of close friends since their elementary school days and she possibly became his manager during his baseball career but one day she left and he / she wasn't even smart enough to learn his feelings for the woman.
Baek Ho accidentally discovers Yi Seul's letter while they are helping her in moving a lot of her things. She tried to present him the letter during their graduation graduation day but it failed to reach Baek Ho, so he reads this letter containing Yi Seul's confession just as soon as he was aware with her sincerity regrets not confessing before.
Then a strange man suddenly appears when in front of Baek Ho. He brings out himself as Dr. Kwon and offers him a wonderful opportunity to fix the past….
Operation Proposal ep 1 recap :