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 (1048–1257) no Roman priest fit for the title of pope. He subsequently appointed Suidger of Bamberg who, after being duly acclaimed by the people and clergy, took the name Clement II. Days later, Clement II then crowned Henry emperor. Over the next ten years, Henry personally selected four of the next five pontiffs. The ascendancy of these to the papacy reflected the strength and power of the Holy Roman Emperor. However, Henry was the last emperor to dominate the papacy in this way because, after his death, the pope quickly moved to change the system to prevent such secular involvement in