The King's Poison (1984)

The story begins in the first year of Danjong’s reign, in July of the Gye-yu year, as the Seungjeongwon Ilgi records how Hwangbo In and Kim Jong-seo are accused of treason and executed to send a warning to Suyang, while Anpyeong, despite being advised to hide, chooses to face the turmoil but is eventually sentenced to death along with his loyal servant Musang, paving the way for Suyang to rise as King Sejo.