Final answer:
The Montag and Faber plan involves planting books in the homes of firemen to challenge the anti-book status quo and rebuild a literate society.
Step-by-step explanation:
The plan that Montag and Faber devised in Ray Bradbury's novel is not contained in the excerpts provided. However, generally, in "Fahrenheit 451" by Ray Bradbury, the plan that Montag and Faber devise is to overthrow the oppressive regime's control over books and information. Montag, a firefighter who starts to question the book-burning society he lives in, teams up with Professor Faber, a knowledgeable yet fearful man. Together, they discuss planting books in the homes of firemen to discredit the profession and stir up the status quo. Montag hopes to use this chaos to help rebuild a society that values reading and independent thinking.