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 travels to Venice to visit Pius XIII. Meanwhile, a tragedy in Lourdes calls for the presence of the new Pope.

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.