Jeon Nok Du lives on an island with his father and older brother. He is smart and a good swordsman. Since he was little, his father did not let him study or go to the mainland. One day, his father and older brother are attacked by a group of female criminals. Jeon Nok Du chases after one of the criminals to the capital. During that time, Jeon Nok Du meets Dong DongJu. She wants to shoot the King with her arrow, but Jeon Nok Du saves her from trouble. Meanwhile, the criminal that Jeon Nok Du chases goes into a widowed village. To find out who and why his family was attacked, Jeon Nok Du disguises himself as a woman and enters the widow’s village. There, he meets Dong Dong Ju again. She is an apprentice to become a gisaeng.
(Source: AsianWiki)
~~ Adapted from the webtoon “Nok Du Jeon” (녹두전) by Hye Jin Yang (혜진양).