As young accident victim lays unconscious in his hospital bed. his subconscious projects himself into a world where he is the new Messiah. There he will live in a terribly decadent and corrupt society until his fate is finally revealed...

The action takes place in Florence in the 1930s. Alfred, an Englishman who moved to that city in order to write a book on Giotto, meets a boy who is fond of music and mathematics, with whom he becomes close friends. Alfred goes to Switzerland, but one day he receives an anguished letter from the boy and rushes back to Florence where he learns some terrible news.