Jiang Li, a knight-errant, met a fool prince after taking revenge, and was sold to him as a concubine inexplicably. Jiang Li expressed his helplessness. He originally thought he could go back after the prince died, but who knew that he would feel compassion for the prince and save the prince. What Jiang Li didn't know was that the prince had long since recovered, and he was pretending to be stupid just to prevent others from leaving.
Concept: Deception is often more hateful than not loving