King Hyeonjong and Kang Kam-chan led the 8-year-long 2nd and 3rd Goryeo-Khitan Wars to victory and began an era of peace in East Asia and prosperity in Goryeo. Kim Dong-jun, Choi Soo-jong, Ji Seung-hyun, Lee Xia, Baek Sung-hyun, Lee Won-jong, Kim Hyuk Added on Netflix 2023-11-17.