Tally follows Shay into the wilderness, hoping to convince her to return for surgery. There, she discovers the hidden "Smoke," a group of former Pretties who rebel against the strict societal controls and live a life of freedom and individuality. They reveal the shocking truth: the surgery is not a beautification process, but a brainwashing procedure that removes individuality and erases memories.
The Smoke warn Tally of the dangers of the operation and the sinister motives behind it, leading her to grapple with the ethical implications of her own upcoming surgery. Tally must choose between conforming to the societal norm and joining the rebellion to fight for freedom and individuality. Her journey is a thrilling exploration of identity, societal control, and the consequences of sacrificing one's individuality for beauty and conformity.