Best friends Alice and Darlene take a trip to Thailand after graduating high school. In Thailand, they meet a captivating Australian man, who calls himself Nick Parks. Darlene is particularly smitten with Nick and convinces Alice to take Nick up on his offer to treat the two of them to what amounts to a day trip to Hong Kong. In the airport, the girls are seized by the police and shocked to discover that one of their bags contains heroin.
Assigned to accompany two priests on a mission to convert the court of Kublai Khan to Christianity, Marco Polo is abandoned in the mountains when the priests, doubting the very existence of China, turn back. Polo eventually pushes bravely forth alone toward the fabled country where he is accepted as an envoy into Khan's court. Marooned on the far side of the world, Polo, accompanied by his servant, Pedro, advances as a Mongol grandee for twenty extraordinary years. What he eventually brings back with him to the West is a chronicle that changed history forever.