When genius engineer Su Ming is betrayed by his friend Lu Zhen'an and driven to suicide, his daughter Su Xia is left traumatized. Years later, after transforming herself into a determined avenger, Su Xia returns under an assumed identity and grows close to Lu Fan, Lu Zhen'an's son, while secretly pursuing the truth behind her father's downfall.

After surviving her family's massacre as a child, a young woman assumes a new identity and spends years preparing for revenge. With an alliance of women at her side, she hunts down those responsible while searching for the mysterious figure behind the killings.