HEI is suffered from smallpox. He is then being sent to the villa for recovery. On the way he meets AU PEI. AU rescues HEI from danger. He even kills the assassin. HEI regards AU as his idol. He even asks AU to teach him martial arts. SHUN CHI is also suffered from smallpox. He was on the throne for eighteen years and died. HEI succeeds the throne. HEI trusts AU. Thus, AU is arrogant in the palace. Other officials are very dissatisfied with AU. PING is HEI's sister-in-law. They grow up together. Her father is the ON Prince. On hates AU a lot as AU had once slapped him in public.