In her previous life, she was the legitimate daughter of a general’s family. She devoted the strength of her entire clan to helping the prince she loved ascend the throne, only to be falsely accused of having an affair with the enemy nation on her wedding day. Her family was executed to the last member, she was stripped of her title as empress, had her eyes gouged out and tongue cut off, and died a miserable death in the Cold Palace. Reborn at fifteen, on the day of her coming-of-age ceremony, she finds that none of the tragedies have happened yet. Armed with memories of her previous life and newly awakened mastery of both poison and medicine, she becomes an avenging demon, vowing to protect her family, destroy her enemies, and overturn this murderous kingdom. This time, she outwits her vicious aunt and scheming half-sister, takes on the hypocritical prince and her worthless father, a powerful official, only to find herself pursued on her path of revenge by the cold-faced prince who wielded power over the court and collected her body in her previous life...