The story of Joseon's tyrant king Yeonsan who exploits the populace for his own carnal pleasures, his seemingly loyal retainer who controls him and all court dealings, and a woman who seeks vengeance.
The Treacherous is a 2015 South Korean period drama film about Joseon's king Yeonsan, directed by Min Kyu-dong. It follows Im Sung-jae, a notorious vassal who, alongside his father Im Sa-hong, manipulated King Yeonsangun of Joseon. The film was theatrically released on May 21, 2015.