The Nokdu Flower (2019)

Set during the Donghak Peasant Revolution (1894-1895), two half-brothers find themselves on opposite sides of the conflict. Baek Yi Kang, the son of a wealthy but notorious local official and a woman from the lowest class, faces disdain due to his low birth and illegitimacy. His half-brother, Baek Yi Hyun, is charming, intelligent, and respected, with a privileged life. Song Ja In, the brave and charismatic daughter of a powerful peddler family, dreams of becoming the best merchant in Joseon. (Source: MyDramaList)