A family driving through Nevada decides to take some snapshots at an out-of-the-way ghost town named Weaver, and horrible things start happening.

Ned Kendall is asked to return to the remote and isolated family home by his sister, to say goodbye to his father who is dying. Ned also brings his young aspiring actress fiancee who struggles with the isolation. When home he starts having memories of his childhood many involving his beautiful twin sister and his older brother. These memories awaken long-buried secrets from the family’s past.

A teenage girl is raised underground by a robot “Mother”, designed to repopulate the earth following an extinction event. But their unique bond is threatened when an inexplicable stranger arrives with alarming news.