In the Joseon Dynasty, two friends who grew up together — one the master and one the servant — reunite post-war as enemies on opposing sides.
After the assassination of President Park, martial law has been declared. A coup d'état bursts out by DefenseSecurity Commander Chun Doo-gwang and a private band of officers following him. Capital Defense Commander Lee Tae-shin, an obstinate soldier who believes the military should not take political actions, fights against Chun Doo-gwang to stop him. The conflict between the two grows while military leaders are holding their decision and Defense Minister is gone. In the midst of chaos, the spring of Seoul that everyone longed for heads to unexpected direction.
Noh Chak-hee, the ace lawyer of the big law firm, Jangsan, becomes a public defender overnight and must defend the criminal who killed her loved one.