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
Pope Martin I the Church, so now thou art glorified with him.” Pope Martin I Pope Martin I (; born between 590 and 600, died 16 September 655) reigned from 21 July 649 to his death in 655. He succeeded Pope Theodore I on 5 July 649. He was the only pope during the Eastern Roman domination of the papacy whose election was not approved by an "iussio" from Constantinople. Martin I was exiled by Emperor Constans II and died at Cherson. He is considered a saint and martyr by the Catholic Church and the Eastern Orthodox Church. He was born near Todi,