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
Avignon Papacy influence by the French throne up to 1378. Such partisanship of the papacy was one of the reasons for the dropping esteem for the institution, which in turn was one of the reasons for the schism from 1378–1417. In the period of the Schism, the power struggle in the papacy became a battlefield of the major powers, with France supporting the Pope in Avignon and England supporting the Pope in Rome. At the end of the century, still in the state of schism, the papacy had lost most of its direct political power, and the nation states of France and