When missing expeditionary Josie Hunter walks back into the settlement, unharmed, the jubilant air quickly takes a darker tone. Josie is different, her children cannot communicate with her, and reports of her violent behaviour circulate. Tate and Stella must find out what is behind this changed Josie, and begin to come to terms with what is really at work on the planet.
Elenco: Daniel Mays , Hermione Norris , Liam Cunningham , Ashley Walters , Jamie Bamber , Amy Manson , Eric Mabius , Michael Legge , Langley Kirkwood , Patrick Lyster .