A well to do couple purchase a baby from a pauper family. The baby, a boy, grows up in a privileged home of a world famous fashion designer. Along the way, he meets an orphaned designer by the name of Joon Hee. An instant friendship forms.

Joon Hee finds himself in a nightclub brawl. The fight spreads onto the main dance floor. Before he is arrested, Park Seung Jae comes to his rescue. Joon Hee explains that other fashion designers are upset at his knockoff designs. However, he does not know which designer is responsible for his beating.

Dae San offers Yeo Jin $5,000 to be his interpreter for one day. Yeo Jin and Dae San hide from Sopia's debt collector. Dae San receives three days to pay; he discovers his strong resemblance to Joon Hee. Yeo Jin sells her belongings to pay her mother's hospital bills.

Yeo Jin gets the job at Sopia Apparel, over the objections of the assistant, because of an old promise by Yeo Jin. Joon Hee pays the store's debt. Yeo Jin discovers that Joon Hee is acting as Dae San and confronts him. They all wind up at a fashion show.

Joonhee discovers that the world famous fashion designer, Lee bears an uncanny resemblance to himself. The two begin talking about their pasts, but fail to put two and two together. Joonhee wants nothing more than to be with a girl who works on his sales team. However, she is smitten with Lee.

After his grandfather falls ill, Lee Joon-hee must take the reigns of the family's fashion design company. However, he does not have an eye for fashion. Instead, he decided to hire Oh Dae-san. Oh Dae-san marches to his own drummer. This puts the fate of the company in jeopardy as the styles do not mesh.

Dae San tells Yeo Jin information about Jae Min that causes him to become increasingly upset. Someone accuses Se Un of copying her work but she strongly protests the idea.

As Jae Min and Yeo Jin get closer, Dae San makes an attempt to come between the relationship. There are serious questions concerning Dae San, and Yeo Jin begins to inquire about business matters.

Dae San destroys Yeo Jin’s important work and causes her great sadness. The lingering feelings of competition between the two causes Se Un to encourage Yeo Jin about continuing on.

Carrying on his ruse, Dae San meets Yeo Jin as if it was the first time. There are some that doubt the existence of Lee Joon Hee but Joon Hee’s helper gives information to Dae San about when he is coming back.

Questions about Dae San continue as he decides whether to go on with the plan. Jae Min and Dae San argue over Yeo Jin as she deduces more about Dae San and his life.

Jae Min still continues to feel resentful and causes trouble as the information about Dae San comes to light. A confession from Jae Min shows that there is no time limit to his feelings for Yeo Jin.

Se Un faces questioning by Dae San about the competition’s location as Jae Min lets Yeo Jin know the lengths he is willing to go to for her. On a chance meeting, a helper of Joon Hee reveals information to Jae Min about the situation.

Dae San confesses to Yeo Jin some facts about his past after Jae Min makes a statement concerning Yeo Jin. Se Un overhears great news while listening in on Dae San.

Dae San deeply angers Se Un but she decides to use underhanded ways to keep the relationship going on. Jae Min banishes Dae San but he desperately wants to return.

Se Un makes a wide range of promises to be with Dae San but finally decides to give him up. Dae San and Yeo Jin show affection while they are in Paris.