Get Brave New World straight once, then move.

The World State of Brave New World is set roughly 600 years in the future, after a global war and economic collapse led humanity to hand control over to a small group of Controllers. Their solution to human suffering was total: eliminate the conditions that produce it. The Bokanovsky Process mass-produces human embryos in bottles. Chemical treatments during gestation determine which caste each person will belong to — Alphas and Betas get the best conditions, while Gammas, Deltas, and Epsilons are deliberately stunted to fit low-skill roles. After birth, children are sleep-conditioned with hypnopaedia, repeating caste-appropriate slogans until the values are permanent. Promiscuity is encouraged, monogamy is taboo, and the drug soma is available to smooth over any remaining anxiety or sadness.

Bernard Marx works in the Psychology Bureau and belongs to the Alpha-Plus caste, but something went wrong — possibly alcohol in his blood surrogate — and he's shorter and less confident than other Alphas. He resents the system even as he benefits from it, and his resentment is partly vanity: he wants to be special, not just free. He pursues Lenina Crowne, a Vaccination Worker who is attractive, well-adjusted, and genuinely puzzled by Bernard's moodiness. She agrees to visit a Savage Reservation with him.

The Reservation in New Mexico is a fenced-off zone where people live without World State conditioning. They age, get sick, practice religion, and raise children in families. Bernard and Lenina meet John, a young man whose mother Linda came from the World State and was accidentally left behind on a previous visit by the Director of Hatcheries. John grew up as an outsider on the Reservation — too pale to be fully accepted, too strange to fit in — and educated himself almost entirely through a volume of Shakespeare's works. His inner life is rich, turbulent, and completely incompatible with the World State.

Bernard realizes that John is the Director's biological son — a fact that, in a society where parenthood is obscene, is deeply scandalous. He brings John and Linda back to London. The Director, who had been planning to exile Bernard for unorthodox behavior, is publicly humiliated when Linda identifies him as her child's father. He resigns. Bernard briefly becomes famous by association with John, the exotic Savage, and enjoys the status he always craved. But his behavior stays petty and self-congratulatory, and his friend Helmholtz Watson — a talented writer who feels the limits of conditioned language — is the more genuinely restless thinker of the two.

John's time in London is a slow disaster. He refuses to perform for the crowds who want to see the Savage. He falls in love with Lenina but is torn between desire and his Shakespearean ideals of courtship and chastity. When he finally tries to express his feelings, the encounter collapses into confusion and near-violence. Linda, meanwhile, takes soma continuously and dies in a hospital ward surrounded by death-conditioned children. John's grief is real and raw — completely alien to the ward workers around him. He tries to provoke a revolt by throwing soma rations out a window, which triggers a riot. Bernard, Helmholtz, and John are all arrested.

Mustapha Mond, the Controller, meets with them separately. He explains the World State's logic with cold clarity: happiness and stability required sacrificing high art, genuine science, and religious feeling. He himself has read the forbidden books and understands what was lost. He simply believes the trade was worth it. Bernard and Helmholtz are sent to islands — actually not terrible fates, since the islands are populated with interesting nonconformists. John asks to go too, but Mond refuses: John is too useful as an experiment.