An old gunslinger and his daughter must face the consequences of his past, when the son of a man he murdered years ago arrives to take his revenge.

The Dutton family embarks westward through the last bastion of untamed America. James arrives in Texas, where he and his family prepare to make their way through The Great Plains in search of a new home and the promise of opportunity.

A romantic getaway for two troubled college sweethearts turns into a struggle for survival when unexpected guests - and the surrounding environment - exhibit signs of a mysterious infection.