In Beiyangdu, the Queen Mother and the Prime Minister control half of the government. The emperor succeeded to the throne at a young age and was born with an illness. Experts in the world asserted that the emperor would not live to be twenty.
There was a daughter from the Liu family who was unknown and whose fate was like a piece of grass. She was once chosen to be by the king's side as a companion to death.
In order for everyone to live longer, the emperor and the thirteen-year-old girl made a big plan to overthrow the Queen Mother and the Prime Minister's party, take over the political power, and let the little girl pursue freedom.