Love Song for Illusion Season 1 Episode 16

After a fierce confrontation between Ak-hee and Sajo Hyeon, Ak-hee successfully plunges the dagger into Hyeon. Simultaneously, Sajo Yung readies himself for the throne. Meanwhile, Sajo Yung employs a cunning tactic, injecting a poisoned needle into Yeon Wol, who collapses immediately afterwards. Ak-hee becomes consumed by what he perceives as love for Yeon Wol.