Tension mounts with two survivors telling conflicting stories. Who is to be believed? Meanwhile, the reconstruction of events continues, with one of the members of Polaris attempting to signal for help from a neighboring station.

Cast: John Lynch, Katharine O'Donnelly, Alexandre Willaume, Richard Sammel, Tomohisa Yamashita, Laura Bach, Álvaro Morte, Chris Reilly, Tom Lawrence, Amelia Hoy, Sandra Andreis, Hannes Fohlin, Andreas Rothlin Svensson