The 1st K Fashion Week in Busan. Ha Young-eun (Song Hye-kyo), the design team leader of the domestic top brand The One, with world-renowned designer Olivier.

At that time, Hwang Chi-sook (Choi Hee-seo), Young-eun's friend and boss, witnessed the betrayal of love, and Young-eun, who has to successfully collaborate with Olivier, meets a man after going out to deal with Chisuk's accident.
Yoon Jae-guk (Jang Ki-yong) & Hellip;. The man you said you'd never see again, and the man you shouldn't meet.