In mid-19th Century Korea, the people of Joseon Dynasty embrace the new religion Donghak. After the founder is executed, Choi Si-hyeong becomes Donghak’s second-generation leader and successfully propagates the religion, but in doing so becomes the object of oppression by the royal court.
Lee Duck-hwa
Hae-wol
Lee Hye-young
Hae-wol's wife
Park Ji-hun
Kang-soo
Kim Myung-gon
Jun Bong-jun
Lee Seok-ku
Pan-ok
Choi Dong-joon
Gye-dong
Kim Kil-ho
Su-woon
Kim Ki-joo
Lee Pil-je
