Sang Eun is a pretty 20 year old girl, that is warm hearted and possess an extraordinary gift for folding paper into various figures. She has a loving mom and friends, but she also has an intellectual developmental disorder, having the intelligence of a 7 year old. Sang Eun learns everything slowly, but there are still a lot of things she does not know about. She is fixated with the idea that she will meet the prince of her dreams, like in the fairy tales she so often reads.
One day Sang Eun meets a traffic officer, that she believes may be the prince of her dreams. The traffic officer is named Jong Bum and he has a strong penchant for beautiful women. He mistakenly believes Sang Eun to be a lawyer and approaches her, however upon realizing that she is mentally challenged, he leaves.
Sang Eun returns home only to find her mom crying. Her mom has just returned from a hospital appointment. Sang Eun, while she places things into boxes and wraps by year, is now worried that her mom may soon go away like her friend's grandmother did.