After the death of her husband Fausto, Stella decides to return to the house by the lake where she was born and where twenty years earlier she knew him, remaining conquered by the melancholy.

Caleb, "son of nobody" (Enrico Montesano) lives in Galilee in Jesus' day and struggles as a thief and con-man, pretending to be a magician. When he witnesses Jesus turning water into wine, he thinks he's found a competitor. So Caleb goes on, convinced that Jesus is a fake just as he is, always trying to figure out his tricks. In the meantime, he gets involved with a prostitute (played by Edwige Fenech), but also with the wife of a Roman patrician (played by the equally alluring Bernadette Lafont), he steals a few goats and cons a few people, he befriends a lovable dog and gets in trouble with some Roman soldiers.

When an old lady dies two hours before her life insurance expires, the insurance lawyer suspects something dubious. He begins to investigate and he becomes the lover of the old lady's daughter...