A story of three individuals propelled by their undying greed as they clamor for wealth and power in order to reign supreme at the top of the food chain. Seo Yi-kyung (Lee Yo-won), a cold crystal of a woman who is willing to do anything for her ambitions and she doesn't believe that greed is a sin. Park Gun-woo (Jin Goo), a warm-hearted, free-spirited man of integrity and the heir of a big company who got betrayed by his love, Yi-kyung, 12 years ago. Lee Se-jin (Uee) is a hired persona and comes from a poor family, she lost her parents when she was young, and desperately wants to escape from her situation.
