Substitute Escort: the Yandere Prince White and Black

The Emperor of Dayin Dynasty was seriously ill, and all forces were ready to take action. Although Prince Xiao Yan is the crown prince, he has been questioned because of rumors that he is "violent, bloodthirsty, and weak and sickly." In fact, he is secretly suppressed by the Queen Mother's gang, so he can only pretend to be sick and wait for an opportunity to regain his power. In the world of martial arts, Lin Shuang, the daughter of the chief escort of the powerful "Iron Blood Escort Agency" , because his father was framed by an adulterer and imprisoned. In order to save his father, he was forced to replace Su Mingwan, the prime minister's legitimate daughter, and marry into the East Palace.