Abelard, a famous teacher of philosophy at the cathedral school of Notre Dame, falls in love with one of his students, Héloïse d’Argenteuil. A sixteen-year old girl raised in a convent, Héloïse has an intellectual curiosity and rebels against the status of women in 12th century Europe. When others begin to suspect their relationship, Heloise’s uncle Fulbert and the bishop of Paris work together to put a stop to it. Héloïse becomes pregnant with Abelard’s child, and they are married in secret. Abelard struggles for acting against the will of God, yet is unable to escape his love for Heloise.

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.