Jiang Ruoning was separated from her twin sister Jiang Ruoyun since childhood. When she returned to the country, she only received news of her sister's death, and her sister's husband was able to claim a huge compensation. Jiang Ruoning's intuition told her that there was something suspicious about her sister's death. So, she disguised herself as a blind woman, took on her sister's identity, returned to her husband's side, and vowed to avenge her sister.
