The Dark Stairway is a 1938 British crime film directed by Arthur B. Woods and starring Hugh Williams Chili Bouchier and Garry Marsh. The film was a quota quickie production based on the 1931 novel From This Dark Stairway by Mignon G. Eberhart. In the film professional jealousy and rivalry erupts in a hospital over the discovery of a revolutionary new formula for anaesthetic leading to murder. The Dark Stairway is now classed as a lost film. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
Film