The Grand Duke Ivan III comes to Rome with the Byzantine ambassadors. They take notice of a young girl and Pope Paul offers her for marriage to the Prince.

Shortly after the wedding, Sophia becomes pregnant. Her pregnancy brings drama and her closest servant makes a deal with the Catholic Church to poison the princess. A terrible earthquake comes and destroys all of wooden Moscow.

John decides to release his brothers from captivity and they decide to move to Novgorod, a freedom-loving city which is openly against Moscow. They want to begin a war to get what they are entitled to after the death of Prince George.

The Horde comes to Moscow, but John refuses to pay them and cuts off one of their the hands. Returning to Khan, he reports that Moscow will no longer pay tributes to The Horde. An outraged Khan decides to go to war.

Winter is coming. Ahmad Khan sends ambassadors to John with an offer to surrender and pay tribute to The Horde. John refuses and is ready to go to war.

After defeating Ahmad Khan and The Horde, John returns to Moscow. Due to his accomplishments, he begins to receive letters from foreign monarchs. They offer their daughters in marriage to the son of John.