14 year old Eun Dong is engaged to a woman 7 years older than him. He discovers that the woman likes another man. Eun Dong is shocked and wishes that he could protect his love. After the wish, Eun Dong becomes a 25-year-old man. Tae Ri is an heiress from a wealthy family. She seems perfect, with an attractive appearance and a great educational background, but after being hurt by her first love she doesn't believe in love anymore. Her family is also jealous of her and Tae Ri now seems cold from a distance. Suddenly, in front of Tae Ri, Eun Dong suddenly appears. Tae Ri begins to have feelings for Eun-Dong...