The novel is a fictional biography of the French poet Francois Villon, a poet and robber who was sentenced to death, commuted in 1463 to exile from Paris. From this point on, his traces are lost. It is not known when he died. In prison, Villon is visited by an envoy of Louis XI and offers to carry out a secret mission, the purpose of which is to help spread the freedom of thought, hated by the Vatican. Villon's journey begins. The streets of Paris, the squares of Florence and the Holy Land: the desert, the monastery lost in the mountains, the holy Safed with its scribes, the catacombs of Jerusalem…