The Woman in Cabin 10 Review: A Chilling Netflix Thriller Worth Streaming or Skipping?

by Talha · October 10, 2025

The woman in cabin 10 poster — Credit : Netflix

Netflix’s The Woman in Cabin 10 takes you on a sleek yet unsettling voyage through dark waters where paranoia, privilege, and isolation intertwine. A luxury yacht. A missing woman. And a journalist who swears she saw a murder no one else believes. In this deep-dive review, we unravel every twist, motive, and secret to see whether this high-seas thriller manages to stay afloat—or sinks beneath its own mystery. (Spoilers ahead!)

The Premise: A Nightmare at Sea

The film follows Laura “Lo” Blacklock (Keira Knightley), a journalist for a travel magazine who is grappling with the recent trauma of a source being drowned and a burglary at her flat . In an effort to get back on track, she takes on what should be a cushy assignment: covering the maiden voyage of the luxury yacht Aurora, owned by the wealthy and seemingly charming Richard Bullmer (Guy Pearce).

The guest list is a curated mix of elites, including Lo’s ex-boyfriend Ben, a gallerist named Heidi, a socialite, an influencer, and a rock star . The purpose of the voyage is for Bullmer and his ailing wife, Anne, to make a splashy announcement about a new cancer research foundation. However, the veneer of luxury and philanthropy quickly cracks on the first night.

The Inciting Incident: A Splash in the Night

After a drunken first-night dinner, Lo is awakened by a loud scream and a splash from the cabin next door, Cabin 10. She rushes to her veranda and sees what she believes is a woman’s hand disappearing beneath the dark water and a smear of blood on the neighboring veranda. This is the film’s central, terrifying moment. However, when she alerts the ship’s security, headed by Johann Nilsson, she is told that Cabin 10 has been empty the entire time and all passengers and crew are accounted for .

The Unraveling Protagonist: No One Believes Her

The woman in cabin 10 netflix film scene — Credit : Netflix

Lo’s investigation becomes a desperate struggle against a wall of disbelief. The screenplay effectively forces Knightley’s character into increasingly “clumsy, fretful” situations. Key moments in this section include:

The Mascara: Lo distinctly remembers borrowing mascara from a young woman in a Pink Floyd T-shirt in Cabin 10 earlier that evening. When the mascara goes missing from her own cabin, it becomes a crucial piece of evidence that no one takes seriously.
Gaslighting: The ship’s security and other guests begin to question Lo’s mental state, pointing to her alcohol consumption, use of antidepressants, and recent traumatic experiences. This systematic gaslighting makes both Lo and the audience question her perception of events.
The Warning: In one of the film’s most tense scenes, Lo falls asleep during a spa treatment and wakes to find a chilling message traced in the steam on the bathroom mirror: “STOP DIGGING”.

The Twist: It Wasn’t a Murder

The film’s major twist occurs when the woman from Cabin 10—very much alive—knocks on Lo’s door in the middle of the night. Lo chases her, only to be attacked and knocked unconscious. She awakens trapped in a dark, windowless room in the bowels of the ship. Here, the mystery transforms. Lo didn’t witness a murder; she witnessed something she was never meant to see, and the “victim” has been her jailer all along.

The Revelation: The Imposter Wife

Through a series of tense interactions with her captor, who occasionally brings her food, Lo pieces together the truth. The woman, named Carrie, accidentally wipes off her penciled eyebrows, allowing Lo to recognize her: she is the spitting image of the sickly Anne Bullmer.

The full plot is even more sinister. The real Anne Bullmer was killed the night the ship left England. Carrie, a struggling actress and Richard Bullmer’s mistress, had been impersonating Anne in public before. Bullmer’s plan was to use Carrie to impersonate his wife long enough to secure access to her fortune, after which he would dispose of Carrie as well. The body Lo saw thrown overboard was the real Anne, possibly still alive.

The Climax: Escape and Survival

In the final act, Lo manages to forge a connection with Carrie by tapping into her guilt over Anne’s death. Carrie, softening, devises an escape plan. Lo disguises herself in Carrie’s clothes, locks Carrie in the room, and sneaks into the Bullmers’ suite to retrieve money. When Bullmer unexpectedly returns, Lo is forced to climb the veranda barrier, loses her grip, and plummets into the frigid ocean.

Her ordeal is not over. After fighting her way to shore, she must evade Bullmer’s associates, including a friendly hotel manager, and outrun the local police before finally finding refuge and contacting her boyfriend, Judah, back in England.

The Aftermath: A Bittersweet Resolution

The woman in cabin 10 nrtflix film — Credit : Netflix

In the end, Richard Bullmer is reported to have committed suicide, though it is later determined he was shot by someone. Lo, recovering from the trauma, decides to move to New York with Judah and pursue her dream of being an investigative reporter. The final confirmation that Carrie survived comes two months later when Lo receives a transfer of 40,000 Swiss francs from her.

Addressing the Audience: Stream It or Skip It?

So, should you watch The Woman in Cabin 10?

Stream it if you are a fan of straightforward, atmospheric mysteries in the vein of Agatha Christie. The film is “simply suitable” for those looking for a “sleek,” undemanding thriller to pass the time . Keira Knightley’s performance convincingly captures the mounting panic and desperation of a woman no one believes, and the luxurious, confined setting of the yacht is used effectively to create a sense of claustrophobic dread.

Skip it if you are looking for a truly innovative or logically airtight thriller. Some critics found the plot “drowns in contrivance” and noted that character behavior, particularly from Ben the ex-boyfriend, exists mostly to serve the plot rather than feel authentic . The tension, for some, “dissipates well before the end,” and the final act can feel like it’s pumping the brakes with “unneeded vigor”.

Final Answer for the Audience

For a viewer seeking a visually glossy, well-acted mystery for a night in, The Woman in Cabin 10 is a serviceable choice. However, for those who prefer their thrillers to be sharp, clever, and free of narrative contrivances, you might want to let this one sail on by.