Fahrenheit 451 is about a world where firemen start fires instead of putting out fires. Montag is the main character of the story and one day he is walking home and he met a girl named Clarrise and she asked him a simple question which made him question his entire life.
Montag sees a woman who rather die without her books then live without them, this makes Montag question books. He takes a risk and takes a few books with him.
Beatty comes to visit Montag while he is sick. Beatty tries to explain why some books have been censored in a way to try and convince Montag that they are useless.