Sarah pursues Helena, who is being held in a compound far away; Sarah must deter a Topside investigator.
Cast:
Tatiana Maslany
Dylan Bruce
Jordan Gavaris
Kevin Hanchard
Evelyne Brochu
Ari Millen
Kristian Bruun
Maria Doyle Kennedy
James Frain
Tom McCamus
Josh Vokey
Kyra Harper
Amanda Brugel
Millie Davis
Earl Pastko