Blood River is a 2009 psychological thriller film written by Simon Boyes and Adam Mason and directed by Adam Mason. It follows a newlywed couple's relationship during a chance encounter with a mysterious drifter in a deserted ghost town. 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?
A:
Film