Disney star Bella Thorne tackles her grittiest role yet in this exclusive clip from ‘Big Sky’

Bella Thorne rose to fame as the star of Disney's “Shake It Up,” but she's making her entry into the world of “grown-up” films with her role as an agoraphobic teen in the forthcoming thriller “Big Sky” co-starring Kyra Sedwick and Frank Grillo. Here's a synopsis:

A teenage girl who suffers a mortal fear of open spaces is enrolled in a high-end treatment facility by her mother (Sedgwick) in the hope that they can find a cure. When the van they are travelling in is suddenly attacked by two masked gunmen, she must confront her biggest fear and fight for her survival.

In this HitFix-exclusive clip from the film, directed by “We Are What We Are” helmer Jorge Michel Grau, Thorne's character awakes from a traumatic episode in the home of a (seemingly) friendly couple. How did she get there? Who are they really? I'm not sure if I trust them.

Watch the clip above.

“Big Sky” hits theaters on August 14.

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