Shisan was a nameless young shadow guard, abducted as a child. In love with the Chief Councilor, she willingly became a stand-in for his wife and met a tragic end. Yet after her death, her soul sometimes drifted between her past life after she was reborn and the present life that began after she was sold. In doing so, she learned the secrets of her own origins, as well as the truth behind the deaths of the Chief Councilor and her family. How can she protect her family, hold on to her identity, and get revenge? Watch as the little shadow guard travels between two lives, helping her Chief Councilor settle every score and, along the way, rekindle their romance.