Eleven years ago, she met him on the line between life and death when her family suffered a tragedy. He saved him, but he turned into a killer who lives with blood all day long. Eleven years later, he said: "As long as you can do this, I will give you freedom, how about it?" His voice was very bewitching. In this new strategy, what role will she play, and who will she meet? What kind of love and hatred will be staged? And can she finally get the life she wants?