The Girl on the Train (2016) is a simple mystery movie based on a book by the same name, both  centering on the lives and extramarital affairs of three women and two men in Westchester County, New York. Rachael, (one of the aforementioned women) a divorced and lonely alcoholic, fantasizes about a gorgeous couple she sees while riding the train every day. The woman of that fantasy couple, Megan Hipwell, ends up missing. Amid her drunken blackouts and emotional frailties, Rachael ends up caught in a web of lies and illicit affairs as she struggles to find out the truth of Megan's disappearance.

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