Den venetianske købmand Marco Polo begiver sig ud på en farefuld færd til Østen sammen med to præster, angiveligt for at omvende Kublai Khans hof til kristendommen. Marco Polo bliver først en af Kublai Kahns gesandter og herefter mongolsk storfyrste, og han ender med at tilbringe 20 fantastiske år på den anden side af kloden. Da han endelig vendte hjem, kom hans beretning til at ændre historiens gang.
Set at the time of Italian explorer Marco Polo's historic expedition to China ,during the reign of Monogol ruler Kublai Khan, it stars American actor Richard Harrison as Polo. Taking considerable liberties with the historic record, the film has Polo turning up as an Imperial Inspector assigned to root out Chinese rebles in the south, but eventually being won over to their cause.
Young Marco Polo travels to China to help Kublai Khan fight against rebels, headed by his own son, with a new invention: gunpowder.
The Venetian traveler Marco Polo meets Kublai Khan and foils a plotter with fireworks in medieval China.
A samurai warrior attempts to stop Kublai Khan's Mongol hordes from overrunning Japan in the 13th century.