A nobleman bribes a maidservant to gain access to the palace and poison the crown prince. Another noble, loyal to the royal family, learns the of the plot and must learn the identity of the would-be assassin before he can succeed in throwing the country into chaos.
Chang Hoon
King Hansu
Kim Ok-ran
Queen
Lee Seung-hwa
Crown Prince Bohae
Byeon Gi-jong
Lord Jinpyeong
Kim Mi-seon
Goo Seulagi
Jo Hang
Ba Duda
Kim Seung-ho
Hwa Pidal
Go Hyang-mi
Hwa Seonagi
