With Pope Pius XIII in a coma, Cardinal Voiello makes an unpredictable move during the deadlocked papal conclave.

As Sir John leaves for the Vatican, everything appears to be going to plan. But the secretary of state could never have predicted Cardinal Spalletta's next move.

John Paul III meets Sharon Stone, who gives him new ideas. Meanwhile, the connection between the Pope and Sofia deepens.

Priest Leopold Essence tips off Sofia Dubois to her husband's dark secrets which leads her to a shocking discovery. Meanwhile, Pope John Paul III speaks with Cardinal Spalletta about a financial scandal that could crush the Vatican.