Unable to communicate with the outside world, the Unit and their families must survive when a deadly gas poisons anyone in their community who steps outside.
Amanda Spencer, Benjamin J. Cain Jr., Brandon Merrell, BreAnna Chérie Wittman, Bryan Hearne, Danielle Hanratty, Dylan Kenin, Haley Ramm, Jacob Davich, James Bannon, Jordan Van Vranken, Lia Marie Johnson, Lillian Adams, Lindsey Leino, Madison Victoria, Megan Raich, Peter James Smith, Rebecca Tilney, Rodney Scott, Sam Looc, Samantha Hanratty, Tom Everett, Wendy Haines, Wes Chatham