Based on the dystopian novel by Ray Bradbury, Fahrenheit 451 is a science fiction film in which Laura Harrier plays the character of Millie Montag. Set in a future where books are banned and burned, the film follows the story of a fireman named Guy Montag who begins to question his role in society. Harrier's portrayal of Millie adds depth to the narrative, highlighting the consequences of a society devoid of literature and critical thinking.