The Girl On The Train, based on the best selling novel of the same name of 2015 (and 2016) tells the story of Rachel Watson’s life post-divorce.
Every day, she takes the train in to work in London, and every day the train passes by her old house. The house she lived in with her husband, who still lives there, with his new wife and child. As she attempts to not focus on her pain, she starts watching a couple a few houses down — Megan and Scott Hipwell. She creates a wonderful dream life for them in her head, about how they are a perfect happy family. And then one day, as the train passes, she sees something shocking, filling her with rage. The next day, she wakes up with a horrible hangover, various wounds and bruises, and no memory of the night before. She has only a feeling: something bad happened. Then come the TV reports: Megan Hipwell is missing.
Rachel becomes invested in the case and trying to find out what happened to Megan, where she is, and what exactly she herself was up to that same night Megan went missing.
The story in the book takes place in London. In the movie it is moved to NYC. British actress Emily Blunt is featured in the starring role of the movie The Girl On The Train.