Head of the Defense Security Command who masterminds the December 12 military coup. He manipulates the assassination investigation, consolidates power through his secretive Hanahoe faction, and orchestrates the abduction of General Jung Sang-ho. Despite fierce resistance from loyalist forces, he successfully neutralizes opposition and secures retroactive presidential approval to legitimize his seizure of power.
Internal drive for personal power that fuels the entire narrative conflict.
Military opposition as Lee actively works to thwart Chun's coup.
Initial professional hierarchy where Jung oversees Chun's investigative duties.
Explore the full interactive character relationship map of 12.12: The Day