The Dardenne brothers bring their trademark realism to the murder mystery genre in 'The Unknown Girl'. The film tells a taut, stripped-down story of a young doctor who is mortified to discover that a nameless young African woman, who was buzzing for help, is later found dead. The film is a meticulous moral drama and is a must-watch for everyone who cares about the Dardenne brothers and what they have achieved in the movies.