A beautiful girl and a young physician fall in love in the midst of a family, and power struggle between rival princes of Upper and Lower Egypt. When all seems to turn to the better, a dejected woman gets her revenge, and the couple's destruction.

Directed by the incredibly prolific Mario Camerini, Suor Letizia was released in English-speaking regions as When Angels Don't Fly and The Awakening. In her first film appearance since The Rose Tattoo, Anna Magnani plays a feisty nun named Sister Letizia. Believing herself above such earthly trivialities as a maternal instinct, Sr. Letizia changes her way of thinking when an abandoned child is placed in her care. Unofficially adopting the boy, the good sister eventually comes to realize that even she cannot provide the care and guidance of a biological mother. Carefully constructed to accommodate all the surefire box-office elements inherent in Camerini's earlier films, Suor Letizia was almost guaranteed to be a hit.

THE ORIGINS OF SCIENTIFIC CINEMATOGRAPHY is a documentary film series directed by Virgilio Tosi. The films complement Tosi’s book Cinema Before Cinema, using archive film and original equipment to show how cinematography had its origins not in the music hall or the fairground, but in the laboratory, as scientists of the 19th and early 20th centuries attempted to find new ways of seeing and measuring the natural world.