Kyra Harper

Damien encounters a beloved figure from his past and has a confrontation with Rutledge as he works to unravel the conspiracy surrounding him.

Trick takes a great risk when he decides to foresee the future on his own, while a furious Bo confronts the Ash about a betrayal, but is stunned by his response.

Sarah tries to bluff a ruthless enforcer that all is well at the Dyad Institute, while Alison's family finances pose problems. Helena is prisoner of the Castor clones, one of whom poses an immediate threat to those Sarah holds dear.

Mrs S and Sarah team up to investigate a lead on a Neolution defector; Cosima makes a terrible discovery; a surprising reunion occurs.

Castor pursues the clones in order to obtain original tissue samples; Helena is examined by a new villain.

Sarah, Mrs S and Felix return to London seeking the 'Castor original' man with deadly intent, while back home with the Hendrixes, Helena also has a violent answer to a family threat.