Xue Rengui
Thirteen years later, the Khitans rebel from the Tang, and Dae Jo-yeong comes to aid the Khitans; in exchange, they ask for all of the thousands of Goguryeo refugees living in the Khitan country. During this time, his tensions with Li Kaigu get bigger and bigger. Dae Jo-yeong also meets his son Geom and works with him. Li Kaigu is captured, but Dae Joyeong saves him by capturing Li Wen and making a deal with Xue Rengui. Eventually, the reigning king, Li Jinzhong, is assassinated, and the war ends. Dae Joyeong takes the Goguryeo refugees home.