Six Flying Dragons S01E20 - A Black Horse or a White Horse?

General Choi Young plans to go on a conquest of the Liaodong peninsula despite of many ministers' objection. General Lee Sung Gye tells him that they should not put the people into a state of distress. Meanwhile, Jung Do Jeon decides to stage a coup, ordering the members of his organization in the court and in General Lee's private armies in Hamju to move. He suggests to Lee Sung Gye how to avoid the calamity of war.