The two chaebol heir and heiress disguised themselves as  ordinary empolyees in a large company for uncertain reason. The fate arrange them to meet again and open the past that they never expect.

Lee Jonghyun, an oldest son of Lee J Group begged to his grandfather in case that he could enter the company without anyone knowing who he is. 

Gong Seungyeon, her true name is Yoo Seungyeon. The heiress of the GL corporation, one of the conglomerate in South Korea. She left her family to stand with her own feet. She is currently working at Lee J group as the finance staff.