Ji Eun is the daughter of a wealthy chaebol family. She is bright, humorous, beautiful, and smart. Ji Eun meets Se Hoon, who runs a small furniture workshop. Unlike Ji Eun, Se Hoon comes from a poor family background. He was once the top student at a prestigious university, but he had to drop out due to his sick mother. Nevertheless, Ji Eun falls deeply in love with Se Hoon. She confesses her feelings to him. Se Hoon is also in love with Ji Eun, but he turns her down due to the extreme differences in their backgrounds. Eventually, Se Hoon is unable to bury his feelings any longer and they decide to marry. Ji Eun's father constantly interferes in their marriage and Se Hoon becomes tired of his father-in-law's meddling. Making things worse, Ji Eun experiences a miscarriage. She leaves Se Hoon shortly afterward.
10 years later, their lives have changed drastically. Ji Eun works as a housemaid and she struggles to support her family. She is also burdened by the debt left behind by her late father.
Meanwhile, Se Hoon as William Jang runs the successful U.S. cosmetic company Cosmetic Cherokee. He returns to South Korea.
Mo Seok Hee is an only child and her father runs the large company MC Group. She is beautiful, smart and rich. Mo Seok Hee appears like she is arrogant, but she struggles over her mother's death. Her mother was killed 15 years ago.
Heo Yoon Do is a lawyer, but he doesn't even have an office. He solves small problems of neighborhood residents at a restaurant. He is full of love. Miraculously, Heo Yoon Do is headhunted to join the TOP team at MC Group. The TOP team manages the affairs of the family who runs the MC Group. Their job includes covering up immoral or illegal behaviors done by the family. Han Je Kook heads the TOP team.
Mo Seok Hee and Heo Yoon Do work together to reveal the truth of what happened when Mo Seok Hee’s mother was killed.
