The Tale of Nokdu S01E12 - Yul Mu's True Color

After the widows of Muweol Corps left for Hanyang to kill the local functionary, Nok Du and Lady Chun find out that the widows are in a trap. Lady Chun asks Nok Du to go help out the widows, and that's how Nok Du becomes a member of Muweol Corps. Meanwhile, Heo Yun and other noblemen are plotting conspiracy, but suddenly Yul Mu shows up.