Darius and Grace must forge an emotional détente in order to get international cooperation. Also, Liam meets a new scientist with a mysterious past.

Cast: Santiago Cabrera, Jennifer Finnigan, Charlie Rowe, Jacqueline Byers, Melia Kreiling, Ashley Thomas, James Challis, Ian Anthony Dale, Raresh DiMofte, Matthew J Dowden, Arran Henn, Hugo Raymundo, Madison Smith, Manoj Sood, Veena Sood