‘The Woman in Cabin 10’: Movie vs. Book Differences

Comparison of 'The Woman in Cabin 10' Book and Movie

Ruth Ware's 2016 thriller 'The Woman in Cabin 10' has been adapted into a 2025 Netflix movie, starring Keira Knightley as Lo Blacklock, a journalist.

The story begins with Lo being invited on a luxury yacht trip with a wealthy couple, Richard Bullmer and Anne Lyngstad. However, things take a dark turn when Lo witnesses a person falling over the side of the yacht and blood on the divider between her balcony and cabin 10.

Lo reports the incident, but no one believes her since cabin 10 was supposedly empty and no passengers are missing. While the book and movie share this initial plot, significant differences emerge, including Lo's workplace and the ending.

No one believes her, because cabin 10 was empty and no known passengers are missing.

Author's summary: A thrilling comparison of book and movie.

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Cosmopolitan Cosmopolitan — 2025-10-13