As Alison is terrified by Neolution threats made against Donnie, Sarah and Mrs. S question her loyalty to her sisters. While Sarah is distracted, Siobhan sneaks out to seek vengeance. Meanwhile, Cosima and Susan Duncan work together in a final attempt to discover a cure.
Stars: Tatiana Maslany, Jordan Gavaris, Kevin Hanchard
Director(s): Graeme Manson, John Fawcett
Writer(s): Graeme Manson, John Fawcett
Genres: Action,Drama,Sci-Fi