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) before Gregory in January 1077 at Canossa. Dressed as a penitent, the emperor is said to have stood barefoot in the snow for three days and begged forgiveness until, in Gregory's words: "We loosed the chain of the anathema and at length received him into the favor of communion and into the lap of the Holy Mother Church". Pope Nicholas II, elected in 1058, initiated a process of reform which exposed the underlying tension between empire and papacy. In 1059, at a synod in Rome, Nicholas condemned various abuses within the church, and issued "In Nomine Domini". These included simony