Send Help (2026) Plot Summary & Ending Explained

Linda Liddle, Rachel McAdams arrives at her Strategy and Planning job at Preston, feeling out of place and scrambling to connect with coworkers. She’s eager for recognition, but a tense dynamic unfolds when her coworker Donovan, Xavier Samuel, asks for the reports she prepared and quietly moves to erase her name from the documents so he can claim the credit. The workplace politics sting, and Linda’s confidence wobbles as she waits for a promised VP promotion that seems to hinge more on hookups than merit.

Bradley Preston, Dylan O’Brien, the newly minted successor to the late manager, arrives to meet the team with a cool, dismissive efficiency that rubs Linda the wrong way. He’s unimpressed by her quirks—especially her tuna sandwich at the desk and a mouthful of crusty residue—but Franklin, Dennis Haysbert, the senior executive, pushes him to bring Linda along on a Bangkok merger. Bradley reveals he had already given the promotion to Donovan due to their frat brother bond, a move he defends with a mix of policy talk and condescension. The humiliation cuts deep, and Linda storms out of the office, teeth clenched with resolve.

On the flight to Bangkok, Linda tries to stay professional while Donovan and the crew mock her survival tape—an audition she made for “Survivor” that shows off her practical skills. Linda notices the deceptive smile and realizes she’s being undermined. In a desperate moment, she deletes the report she was drafting to scrub her tracks. Then disaster strikes: the plane endures severe turbulence, depressurizes, and a gash opens in the fuselage. Donovan and Chase, Chris Pang, cling to life while Linda and Bradley brace themselves. Donovan’s greed and recklessness collide with survival as he tries to force Linda to surrender her seat. In a tense struggle, Linda uses a fork to sever his grip, and Donovan plunges to his death when the plane crashes into the sea. Linda manages to reach a raft and drift toward a remote island.

Morning light reveals an uninhabited Gulf of Thailand isle. Linda awakens to find Bradley, injured but alive, nearby. She helps him to safety, builds shelter, and gathers rainwater amid a steady storm. Bradley regains consciousness, learns that Donovan died, and learns there are no other survivors. He lashes out at Linda, insisting she signal for help, but she stays calm and focused on basic needs. After a heated exchange, Linda steps back and returns with water, staging a new balance of power on the island.

Food becomes a major priority. Linda crafts a spear, tracks a wild boar, and battles the creature through clever traps and relentless persistence. The hunt is brutal, the boar’s defense fierce, and Linda’s determination triumphant as she purges fear with skill. She returns with the boar’s head and meat to sustain both of them, then discovers a distant ship on the horizon. Although she signals for rescue, she hesitates, sensing this isn’t the end she wants. Bradley, feeling increasingly dependent, asks to join her in return for safety and companionship, and Linda reluctantly grants him a place by her side.

As they navigate the environment, Linda educates Bradley on which berries are dangerous, what plants to avoid, and where to seek shelter during storms. Their growing bond shifts toward something more intimate, especially after a night of improvised wine and whispered conversations. Linda, deeply scarred by a past marriage to an abusive man, opens up about the crash of her old life, laying bare a history she’s kept tightly controlled. Bradley’s vulnerability and bravery begin to flicker against Linda’s calculated pragmatism.

The island becomes a test of trust and power when Linda’s plan to survive escalates into a dark game. Poison berries induce a disorienting sickness that Linda uses to subdue Bradley, then she stages a chilling display of control by simulating torture—an unsettling bluff with a dead rat as a cruel prop. The sting of isolation intensifies when a rescue party—Zuri, Edyll Ismail, and a boat captain, Thaneth Warakulnukroh—arrives. Zuri’s diamond ring exposes clues to Linda’s actions; a confrontation ensues, and Linda’s fear of her past life resurfaces as she contends with fate, guilt, and power.

In the climactic turn, Linda bludgeons the island guide to death on a cliff rescue, and Zuri tumbles to the shore, the price of Linda’s tyranny. Bradley, enraged by Linda’s deception, unveils Zuri’s arm on the beach and confronts Linda with the truth. A brutal struggle follows in the woods, leaving Linda partially scalped and Bradley with a grievous wound. He staggers toward a mansion perched by the cliff, only to find Linda waiting with a revelation: she has known about the mansion from the moment she spotted the ship and learned the security code from the caretakers. She has been maintaining control from the shadows, and the mansion now becomes her throne.

Linda emerges with a shotgun, and the confrontation ends with Bradley’s death, a stark symbol of the cost of Linda’s ascent. A year passes, and she steps into the public eye as the sole survivor who rose to lead Preston. Her memoir, marketed as “advice” on how to save oneself, fuels her newfound fame. She drives away with a pet parrot, her face reflecting a chilling, calculating triumph as the camera lingers on her smile and the island’s echoing silence, leaving the audience with a provocative question: who ever truly survives when power becomes the final predator?

In the film’s final act the island itself becomes the arena where the power balance finally flips. After the crash, Linda Liddle is forced to cooperate with her former boss Bradley, the privileged son who stole the promotion she earned. While Bradley initially leans on his wealth and bravado, Linda’s practical knowledge of survival quickly makes her the one who provides food, water and shelter. Bradley’s attempts to assert his masculinity—first by trying to hunt, then by building a makeshift raft—only end in humiliation; he poisons the berries he gives her, and she repays him with a blue‑ringed octopus that leaves him crippled and begging.

The turning point arrives when the two clash violently over a “cross‑shaped” rock formation that marks the edge of a hidden billionaire’s glass mansion on the island. Bradley, desperate to escape, rushes toward the rocks, but Linda—who has been leading him around the poisonous thickets—uses the environment to her advantage. She traps him, threatens his “family jewels” with a poisoned rat, and forces him to submit. In a last, desperate lie he claims he loves her, trying to manipulate her, but the moment makes clear that both have become monsters of their circumstances.