Pretty boy Dokko Ma Te is ambitious and wants to make a lot of money using his looks. His mother dies without giving him the password to meet his father, whom he never met. Instead of giving it to Ma Te, his mother gives it to Hong Yu Ra, an ex-heiress who was once the daughter-in-law of a wealthy family. Yu Ra promises to give him the password if he conquers several women and learns valuable lessons from each of them. Kim Bo Tong, an ordinary girl from a poor background decides to aid Ma Te. She has had a huge crush on him since high school and is willing to do anything to help him succeed. Despite himself, Ma Te falls for Bo Tong. However, Choi David, who is also the Chairman's secret son, falls for her as well, leading into a conflict of romance and deception.