Cass's past smashes into his present when he finds a note threatening to expose his real identity. Stella and Tate must now face the prospect of another, superior, hostile life force on Carpathia and discover a way to communicate with it.
Casts:
Daniel Mays, Hermione Norris, Liam Cunningham, Ashley Walters, Amy Manson, Eric Mabius, Michael Legge, Langley Kirkwood, Jeanne Kietzmann