Marco's ingenuity -- and loyalty -- is put to the ultimate test when Kublai takes a violent and bold step in his quest to become emperor of the world.

The day of the kurultai arrives, shaping Kublai's fate as khan. Ahmad makes his final stand, and Marco learns a terrible truth.

Marco's past with Kokachin resurfaces. Kublai's position as khan faces a final challenge, even as he welcomes a new heir into the world.

Marco finds his fate in the hands of Kublai yet again, while behind the walls of Xiangyang, Chancellor Sidao sets his sights on regaining power.

When Kublai sets his sights -- and his army -- on the taking of the walled city of Xiangyang, Marco's allegiance is tested.

Marco and Hundred Eyes take on a dangerous mission to infiltrate the walled city of Xiangyang, while its chancellor struggles to hold on to power.

After three years crossing seas, deserts and the Silk Road, a young Marco Polo finds himself a prisoner of the great Kublai Khan.

On Prince Jingim's wedding day, Kublai receives disturbing news about the ambitions of his cousin, while Marco navigates a delicate mission.

Ahmad's deadly and secret chess match against Kublai enters its endgame, even as Kublai's thirst for power grows stronger than ever.

The challenge for the throne escalates when two of Kublai's sons are endangered. Far away, another threat to the khan is born.

As war looms with the walled city of Xiangyang, Prince Jingim tests his diplomacy skills while Kublai questions Marco's allegiance.

Haunted by recent events, Kublai journeys with Marco into the mountains for answers. Empress Chabi takes action to insure an heir to the khan.