They marched westwards towards the mountain ranges surrounding Tenochtitlan, in hearing of their powerful king, Montezuma.
Cortes and the crew meets the Totonac people, who agree to help them take on the king of Tenochtitlan
Cortes reaches Tenochtitlan and holds Montezuma as a hostage. The other soldiers search for loot across the countryside and in the city.
The following year, the Spanish tried to sneak out of Tenochtitlan with lots of loot one night but were caught and put into a wild fight which they barely managed to win. Cortes came out unharmed, but presumably shocked. They would come back and try to re-take Tenochtitlan
The Aztecs returned to Tenochtitlan a year later and bombarded it with cannonballs. The ruins of Tenochtitlan were used to build another city on top of it, marking the end of Tenochtitlan.