Seo Min-joon, the son of the CEO of Perung Foods, where everything is perfect. It's an explosion of popularity with adults and friends, but she's a single mother who has never had a girlfriend. Min-joon falls for Sae-young, a girl from the same school, and Sae-young's ideal type is a poor, but a hard worker, and she hates men who are better than her? Min-joon's first love challenge, where he has to hide that he's Young & Rich in order to get love!