Why does Montag return to the fire station?
Montag returns to the fire station to hand over one of his books to Beatty, the fire chief. He is wearing an earpiece he and Faber dub "the green bullet" in order to transmit their conversation to Faber. Faber and Montag have come up with a plan to oust the leadership. Faber plans to reproduce books, and Montag is to plant them in the homes of firemen. The thinking here is that by showing these supposed leaders are readers too, and then they can end the horrible process of censorship.