Cardinal Lamberto left Rome with a large sum of money and several documents. Fearing that their corruption will be exposed, Keinszig, Lucchesi, and Gilday plot to murder the Pope. Gilday poisons the pontiff's tea, killing him in his sleep. The character of Lamberto and the film's depiction of the events which led to his murder are based upon one of the conspiracy theories surrounding the sudden death of the real-life Pope John Paul I, Albino Luciani. Like the Lamberto character, Luciani was discovered dead in his bed in 1978, 33 days after his election to the papacy. Various theories, such as the
Byzantine Papacy in 732/33 by confiscating all papal patrimonies in south Italy and Sicily, together constituting most papal income at the time. He further removed the bishoprics of Thessalonica, Corinth, Syracuse, Reggio, Nicopolis, Athens, and Patras from papal jurisdiction, instead subjecting them to the Patriarch of Constantinople. This was in effect an act of triage: it strengthened the imperial grip on the southern empire, but all but guaranteed the eventual destruction of the exarchate of Ravenna, which finally occurred at Lombard hands in 751. In effect, the papacy had been "cast out of the empire". Pope Zachary, in 741, was the last