Effects of External Conditions
Sarah realizes that the Orphans’ survival is going to take more than police work. But tracking the killer threatens Sarah’s long awaited reunion with her daughter, Kira. As Sarah gets closer to the killer, the killer gets closer to the truth – the ensuing showdown threatens to expose her ruse as a cop.

Cast
Tatiana MaslanySarah / Cosima / Alison / Helena / Rachel
Jordan GavarisFelix 'Fee' Dawkins
Josh VokeyScott Smith
Maria Doyle KennedySiobhan 'Mrs. S' Sadler
Ari MillenMark / Rudy / Miller / Ira
Kevin HanchardDetective Arthur 'Art' Bell
Kristian BruunDonald 'Donnie' HendrixOrphan Black on tvt

