In Florida, 1981, a young girl, Violet Hansen, goes on a camping adventure with her family. One day, she wanders into the woods and encounters a mysterious woman by the lake who introduces herself as Rose the Hat. Captivated by Rose's mesmerizing magic tricks, Violet is soon aware that there are others lurking in the shadows, watching her closely. Just before the atmosphere turns menacing, Rose tells Violet that she too possesses a bit of magic, leading to a terrifying convergence of sinister forces around the innocent girl.
Meanwhile, Danny Torrance, a boy haunted by the nightmares stemming from his past experiences at the Overlook Hotel, is struggling to cope with the trauma. His mother, Wendy Torrance, is growing increasingly worried for him since he hasn't uttered a word since their harrowing experience. He still sees terrifying spirits lurking behind him, including the eerie Grady Twins and the dreadful Bathtub Lady from Room 237. But as part of his special ability, known as "shine," Danny encounters Dick Hallorann, who teaches him a vital strategy to fend off malevolent spirits using an imaginary box to trap them. One day, as Wendy rushes out to find Danny, she discovers him alone on a bench, deep in thought.
After a long night, Danny and Wendy share a quiet moment watching TV together. But shortly after excusing himself to the bathroom, Danny comes face-to-face with the Bathtub Lady. Employing his powers, he traps her within his mental box before rejoining his mother, which finally breaks his silence as he begins to talk to her again.
Fast-forward to 2011, Dan is now a grown man, played by Ewan McGregor, and lives in New Jersey ensnared in a cycle of alcoholism and violent outbursts. Despite his attempts to escape his past, his life is a chaotic mess, highlighted by a gut-wrenching bar fight that leaves a man unconscious. He later wakes up next to a woman whose child triggers a sense of discomfort within him.
Meanwhile, in Long Island, an interesting teenager named Andi encounters a mysterious older man she met online. All the while, Rose and her companion, Crow Daddy, are watching Andi from afar. With her ability to manipulate those around her, Andi gives the man a cut on his cheek that resembles a snake bite before Rose approaches her, ultimately drawing her into the sinister fold of their cult, The True Knot. Promising Andi everlasting youth and vitality, Rose assigns her the nickname "Snakebite Andi," creating a dark bond.
In Anniston, New Hampshire, Abra Stone is excitedly celebrating her fifth birthday when she surprises her parents, Dave and Lucy and jocelin-donahue) by making spoons levitate just by saying "Abra Cadabra." Drawn to a fresh start, Dan arrives in Frazier, befriending [Billy Freeman and revealing his troubled past.
That evening, Rose conducts an unsettling ceremony on the beach, showcasing a canister containing the essence or "shine" of Violet. In a wild rush of desperation, Andi consumes Violet's shine, joining the rest of the cult members in a horrific feast. Simultaneously, Dan grapples with nightmares of spirits from his past as he visits Billy, who takes him to an Alcoholics Anonymous meeting where he meets Dr. John Dalton. Dalton recognizes Dan's unique insight, giving him a job at a hospice where he finds a surprising level of purpose.
One of the most poignant moments occurs when Dan encounters the hospice cat, Azzie, who reveals to him the impending deaths of patients. Comforting them, Dan earns the title "Doctor Sleep" among the dying. While Dan is emerging back to life, Abra senses a burgeoning darkness as the cult, craving their next sustenance, sets its sights on a promising young baseball player named Bradley Trevor. As they stalk him, Andi uses her abilities to abduct him, leading to his brutal demise, which sends shockwaves through Abra's consciousness.
As time unfolds, Abra's determination leads her to investigate Bradley’s disappearance. Using her powers, she uncovers the insidious workings of the True Knot and their connection to Rose. After meeting with Dan and sharing the depths of their gifts, he warns her about the peril of attracting unwanted attention from the cult.
After a tense build-up, tragedy strikes as Crow and Rose's cult members encounter Dan and Abra in a deadly showdown. The cult unravels as members begin to fall, and in a climactic battle at the Overlook Hotel, Dan faces his greatest fears, confronting Rose in an eerie duel. As the hotel echoes with the whispers of his traumatic past, the defining moment arrives as Dan unleashes the trapped spirits to defeat Rose once and for all, encapsulating his redemption.
Ultimately, Dan makes the ultimate sacrifice, allowing the Overlook to burn, resigning himself to the churning spirits while Abra continues to communicate with him, bridging their worlds even from beyond, giving hope and acknowledgment to her beloved “Uncle Dan.” As Abra transitions through her life, the shadows of the past loom, but her courage shines, reminding viewers that no darkness can extinguish the light within.
