The third empress of the Qing Dynasty was invincible against the Daquan Dynasty, which had an army of millions and controlled half of the country. She was extremely fearful.
In order to live in peace, he actually sent his brother's son and his own nephew to Bianjing as a hostage.
But how could King Qin be willing to let his beloved son live in a foreign land?
So he found an impostor as a substitute.
But the substitute didn't get the treatment he deserved and was abused by evil servants.
In this case, then kill everyone who knows his identity. I am the real prince.