A new trailer for The Girl on the Train has been released. The film, based on the best-selling novel by Paula Hawkins, stars Emily Blunt, Rebecca Ferguson, Justin Theroux and Luke Evans.
Blunt plays Rachel, a commuter who begins to investigate a mystery surrounding a couple whose house she passes every day.
In the clip as she talks about how she used to "watch this perfect couple, they were the embodiment of true love".
We also see Rachel being questioned on the whereabouts of a young missing woman - Megan Hipwell - played by Haley Bennett.
The Girl On The Train is out in October.
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