Plus director Simon Stone breaks down that change from the book “The Woman in Cabin 10” is now streaming on Netflix and, like many movie adaptations of books, it makes some key changes — particularly when it comes to the twist of the story. This perhaps goes without saying, but just so we’re clear, there will be very large spoilers ahead for the film. Based on Ruth Ware’s book of the same name, “The Woman in Cabin 10” stars Keira Knightley as Laura “Lo” Blacklock, a journalist who gets invited