The Legend of Kublai Khan Guoqiang, Gao Fa, Steven Ma and Ray Lui as part of the supporting cast. The series, spanning over 70 years, romanticises the life of Kublai Khan and the events leading to the founding of the Mongol-led Yuan dynasty in China. Kublai was born in 1215 as a son of Tolui, the fourth son of Genghis Khan. At the time, Töregene, the wife of Ögedei (Genghis Khan's third son), sees Tolui as a potential threat. As Tolui gains more glory for his victories in battle, Töregene becomes worried about whether her husband will be selected by his father as his successor.
Bayan of the Baarin and Nayagha's father Shirgügetü Ebügen, appear in the "Secret History of the Mongols". However, at least one well-respected scholar presents Bayan as a Turk whose family had long served the Great Khans. His grandfather Alagh was the viceroy in Khorazm province under the Mongol Empire. Bayan's father died during the Mongol siege of the stronghold of the Assassins ("Hashshashin"). While Bayan served in Persia with Hulegu's army, Kublai Khan recalled him. Kublai liked him, but he did not hold commanding rank in the Yuan army. After the success of the Battle of Xiangyang in 1273, Kublai appointed Bayan as the