Every day, the woman must endure the pain of lashing her own sister three hundred times. Her only purpose is to keep the vicious Consort Sheng from discovering their true relationship—because Consort Sheng would rather kill a thousand innocent people than let a single enemy slip away.
The woman was originally a concubine-born daughter of the Jiang family, while her sister entered the palace as the emperor’s consort under the guise of being the legitimate daughter of the noble Jiang family.
One day, while training in martial arts, the woman unexpectedly receives a letter from her sister inside the palace. However, when she opens it, she finds a bloodstained letter filled with desperate pleas. It turns out that her sister has fallen victim to Consort Sheng’s cruel schemes…
