This drama is about how people think that they have the power to control money, but they're actually being ruled by it. The power of capital is so great that it is involved in every aspect of the society. People do almost anything to protect the money they have and they turn into complete maniacs when they see a tiny loss. Kang Pil Joo is a managing director of Cheong A Group, but his real identity is kept as a secret from the Cheong A Group family. He serves them like an obedient servant, but he is actually grooming them for his scheme. He helps Jang Boo Cheon, the eldest heir, to inherit Cheong A Group. Will his scheme succeed?