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
History of the papacy the selection in 532 of John II, the first to rename himself upon succession. Theodoric was tolerant towards the Catholic Church and did not interfere in dogmatic matters. He remained as neutral as possible towards the pope, though he exercised a preponderant influence in the affairs of the papacy. Ostrogothic influence ended with the reconquest of Rome by Justinian, who had had pro-Gothic Pope Silverius (536–537) deposed and replaced with his own choice, Pope Vigilius (537–555). The Byzantine Papacy was a period of Byzantine domination of the papacy from 537 to 752, when popes required the approval of the Byzantine