Morgan is the star of the film, as a fading actor who is trying to revive his career by starring on a radio program. When his most recent broadcast, a science fiction invasion from Mars story, panics the nation, he is fired. He decides to jumpstart his career by creating a new show which features his talented children.
A highlight of the film is Morgan's reenactment of the current MGM hit film Boom Town, with Morgan's character, Frank Merriweather, supposedly imitating the voices of the stars of that film. In fact, the Boom Town stars' voices were dubbed over Morgan's. The voices of Clark Gable, Claudette Colbert, Spencer Tracy and Hedy Lamarr are used.
Therefore, in the movie Jesus is seen struggling with himself and his call, doubting his integrity, saying he lies, doubting his call, ascribing it to Lucifer at times.
The human Jesus, according to the movie, was not that sure of himself, and his self-understanding as divine was realized by struggling with temptations and doubts.
The movie is based on a novel and most of the material is not found in the Bible.