Korean drama Fashion King tells the story of rivalry and romance of a young aspiring designer Kang Young Gul (Yoo Ah In). He was a poor man and start a fashion business as a trader in the Dongdaemun market.
Then he met Lee Ga Young (Shin Se Kyung), who have lost both parents in an accident at a young age. Ga Young grows into an intelligent young woman who has a natural talent for designing clothes. He used to work in a boutique then released and eventually got a job at Young Gul. Both dreamed of creating a huge buzz in the fashion industry on a world-class designers.
Meanwhile, Jung Jae Hyuk (Lee Je Hoon) is the second generation heir of a large company which covers the construction, distribution, and fashion. Ex-girlfriend, Choi Anna (Kwon Yu Ri) who came to work under a top international designers.
Jung Jae Hyuk gradually began to love Ga-Young. Whereas Ga-Young put his heart on Young Gul. Secretly Young Gul also like Ga-Young.