The drama has themes of time-travel and is basically about a character who gets to travel back in time to protect his first love.
Kang Bae Ho (Yoo Seung Ho) and Ham Yi Seul (Park Eun Bin) have been best friends since elementary school. Baek Ho fell long ago for the lively and cheerful Yi Seul. But Yi Seul is about to get married to another man. Baek Ho and his friends are invited to the wedding. Right there in the wedding ceremony, Baek Ho regrets that he didn’t confess his love to the bride. A fairy appears gives him a second chance to win the girl he loves. The fairy sends Baek Ho to travel back to the past, to the all moments he has with the bride. He gets sent back in time, and this time he’s determined to protect his first love. He re-creates that moments, tries to get the bride’s heart. Baek Ho will try to confess his feelings and win Yi Seul’s heart by trying to fix the past in order to change his and Yi Seul’s future. In the end, will he success?