When Rachel makes a promise to Sarah, it comes with a hefty price. Meanwhile, Helena and Gracie work with the Hendrixes, and Donnie takes Kellerman to task. Over at Castor, Coady and Benchman scheme to track down the Castor Original, and Rudy descends on DYAD for a much needed asset.
Stars: Tatiana Maslany, Jordan Gavaris, Ari Millen
Director(s): John Fawcett, Graeme Manson
Writer(s): John Fawcett, Graeme Manson
Genres: Action,Drama,Sci-Fi