Everyone has secrets. The question is "how many secrets does a person have to hide to live successfully"? Through a mysterious email Yuan Qing Wei found in the process of investigating her sister's death she locks in on a potential suspect, the cold and wealthy businessman An Xue Hu. He is extremely ruthless and extremely self-disciplined, and when she finally succeeds in approaching him neither one knows what to make of the other. As she gets closer to the truth it becomes more complex and far beyond what she ever could've imagined.