5 min read

Ruth Ware's mystery novel The Woman in Cabin 10 was released in 2016.

Now, it's been adapted into a movie starring Keira Knightley and Guy Pearce.

Find out about the differences between the book and the film—including major changes to the ending. Spoilers ahead.

The Woman in Cabin 10 is a 2016 thriller by Ruth Ware. And now, it's also a 2025 Netflix release. Keira Knightley stars in the adaptation as Lo Blacklock, a journalist who is invited on a trip on a luxury yacht with an extremely wealthy couple: Richard Bullmer (Guy Pearce) and Anne Lyngstad (Lisa Loven Kongsli).

Quickly, things go horribly wrong. Lo wakes up in the middle of the night to see what appears to be a person falling over the side of the yacht and blood smeared on the divider between her balcony and

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