River Where the Moon Rises Season 1 Episode 13

The Northern Zhou army marches ferociously down south. Bearing his weak body, King Pyeongwon calls upon all tribes to battle. The Sunno Tribe also stands up for war, whereas Gochuga sees this as an opportunity to fulfill his desire. Goguryeo faces a vast danger that will decide the fate of the nation. The only solution is for the five tribes to unite and fight as one.