This film tells the story of a young Belgian girl (Hepburn), who decides to dedicate her life to Christ,and enter a convent, although her family do not entirely approve. We follow Sister Luke through her noviciate (trainee nun), to her becoming a Bride of Christ. But she is also a very knowledgible nursing sister, who wishes more than anything to work in the Congo. She attends the school of tropical medicine,which will be required for overseas nursing. However,another nun is increasingly jealous of her abilities, and Sister Luke is persuaded to deliberately fail her final exams so that the other sister will pass, and therefore travel to the Congo in her place.
Sister Luke is given a posting in a lunatic asylum, which is quite horrifying to watch, and becomes increasingly unhappy. Finally, her posting arrives, and she travels to the Congo to work as a theatre sister. There she meets the charismatic Dr Fortunati (Peter Finch), and slowly but surely, the nursing takes over from the religious part of her life. She recovers from a bout of TB, but with war looming in Europe, she is sent home to the Mother House in Belgium.
Sister Luke finds it impossible to settle in at home, and when her Mother Superior tells her that she must treat all patients the same, be they Belgian or German, she finds she is unable to comply, and so leaves the religious order for good.
Great film, very moving and also it's very informative of life in a religious order.Great acting and fantastic cinematography make this movie a must to see!