After surviving a car accident, a woman wakes up in an underground cellar, where most of the film takes place. She fears she has been abducted by a survivalist, who tells her he saved her life, and that a worldwide chemical attack has left Earth's surface uninhabitable. Uncertain what to believe, she decides she must escape, no matter what dangers she may face outside.
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According to producer J.J. Abrams, this is considered a "blood-relative" to the original Cloverfield (2008). Read More