Paula Hawkins' bestselling thriller The Girl on the Train has its share of twists and turns, but the upcoming movie version might have the biggest surprise of all. The story's setting has been changed from the U.K. to the U.S., even though star Emily Blunt gets to keep her English accent. In the novel, unreliable narrator Rachel Watson, who makes a mess of her life post-divorce by drinking herself into oblivion and riding a commuter train into the city even thought she no longer has a job, gets caught up in the mysterious disappearance of her ex-husband's nanny.
The trailer makes it look as if the film will be this year's Gone Girl, emphasizing the disparity between Rachel's messy life and her ex's domestic bliss, and briefly hinting at Rachel's alcoholism and blackout drinking. The Girl on the Train co-stars Justin Theroux, Luke Evans and Allison Janney, and opens in theaters in October.
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