Keira Knightley stars in the new Netflix mystery The Woman in Cabin 10 .
The story follows a journalist, who witnesses a passenger go overboard on a yacht.
Spoilers ahead .
Based on the novel by Ruth Ware, the new Netflix thriller The Woman in Cabin 10 is about a journalist, Lo Blacklock (Keira Knightley), who witnesses a passenger fall off of a luxury yacht, but when she tries to tell the other guests about the event, no one believes her. Of course, this is terrifying, because, well, you can't exactly flee a bunch of weirdos who don't believe the apparent murder you witnessed when you're in the middle of the sea on a yacht .
The Woman in Cabin 10 will make viewers start guessing what's really going on as soon as Lo boards the boat. Of course, watching through to the end will