Although it was shot on the set of director Mel Gibson's controversial epic The Passion of the Christ, this thought-provoking documentary is not about the making of the movie. Rather, filmmakers Francesco Cabras and Alberto Molinari delve into the nature of divinity and spiritual beliefs through revealing interviews with Gibson and members of his cast and crew -- including stars Jim Caviezel and Monica Bellucci.

"All of us in our life has been touched by this question..."