劇情:

故事講述一個14歲的懵懂少年黃民秀在一夜之間變成一個英俊帥氣的25歲年輕人。25歲的他之後遇到家境、學歷、外貌都非常完美的富家女李泰利，兩人更陷入愛河發展姐弟戀。而最終這對姐弟戀情侶又將出現怎樣的結局？ 

Synopsis:

Min-soo is a 14-year-old boy who is engaged to a woman 7 years older than him. As he knows that the woman likes another man, he makes a wish so that he can protect his love. As the result of his wish, he becomes a 25-year-old man. Taly is a well-educated woman who comes from a wealthy family. After being hurt by her first love, she doesn't believe in love anymore. But, as Min-soo suddenly appeared in her life, she starts to have feelings for him.