River Where the Moon Rises S01E12 - The Reason to Wield a Sword / The Poison and the Antidote

Part 1: After saving Ga Jin and Lady Sa by killing the men sent by Go Won Pyo, Dal falls into a state of shock. In order to help him find his path again, Ga Jin speaks to Un Am and Lady Sa about General On's wishes for Dal. Meanwhile, Geon corners Mo Yong with his knowledge of her identity. Then Mo Yong is asked to carry out a dangerous task by Gochuga. Part 2: Geon tells Mo Yong to make the poison as his father demanded so that she may not fall in danger, but he also tells her to prepare an antidote. Mo Yong comes up with a plan to get the antidote to the King on time. Meanwhile, soldiers of the Gyeru Tribe attack the Sunno Tribe. Pung Gae and Jin are captured, along with several others. Ga Jin must find a way to save them.