Nokdu Flower S01E23 - Episode 23

Gye Hoon incites Yi Hyun to assassinate Bong Joon before the signing of the peace treaty. Gye Hoon promises to send Yi Hyun to Hanyang instead of Gobu. As Hak Jin and Bong Joon both agrees to sign the peace treaty, they meet in front of Jeonju Castle. While Hak Jin and Bong Joon are discussing the details, Yi Hyun takes aim.