Orphan Black (2013–2017)
3 user 9 critic

Knowledge of Causes, and Secret Motion of Things 

When a rehab confidante betrays Alison and threatens to expose the truth about Aynsley's death, she goes into free fall on the eve of Family Day. With Donnie and the kids set to visit, it's all clones on deck to contain the fallout.


Ken Girotti


John Fawcett (created by), Graeme Manson (created by) | 13 more credits »




Episode cast overview, first billed only:
Tatiana Maslany ... Sarah Manning / Alison Hendrix / Cosima Niehaus / Rachel Duncan
Dylan Bruce ... Paul Dierden
Jordan Gavaris ... Felix Dawkins
Kevin Hanchard ... Detective Art Bell (credit only)
Evelyne Brochu ... Delphine Cormier
Maria Doyle Kennedy ... Siobhan Sadler
Michiel Huisman ... Cal Morrison
Michael Mando ... Vic
Michelle Forbes ... Dr. Marian Bowles
Matt Frewer ... Dr. Aldous Leekie
Skyler Wexler ... Kira Manning
Kristian Bruun ... Donnie Hendrix
Inga Cadranel ... Detective Angela DeAngelis
Josh Vokey ... Scott
Raven Dauda ... Yvonne


Sarah and Mrs. S are helping Ethan Duncan gather together his necessary materials to bring into Dyad as a bargaining chip. Despite this action, Sarah still does not fully trust Mrs. S. Mrs. S, however, learns some information, which she and Sarah decide to use as a means to orchestrate a showdown between Leekie and Rachel, one of the two who they cannot see but go down in the process. Cal discovers that he is being watched, and thus has to relocate himself and Kira. Through the process, he still tries to find out what Sarah is hiding while contemplating a future for his new family. At rehab, Alison decides to confide in Vic, which she quickly learns is a bad move as she overhears him speaking to Detective DeAngelis on the telephone. She will require some help from both Felix and Sarah to help her get out of this predicament, which could be a problem with the masses descending on the facility for family day. Through the mêlée, Alison learns the truth behind Donnie as her monitor. And ... Written by Huggo

Plot Summary | Plot Synopsis


Action | Drama | Sci-Fi


TV-14 | See all certifications »

Did You Know?


Ethan Duncan (Andrew Gillies) is reading "The Island of Dr. Moreau" by H.G. Wells to Kira (Skyler Wexler). In the novel, Doctor Moreau has fled to an island after being exposed for performing vivisections that combined humans and animals and he and his creations are met by a shipwreck survivor who happens upon the island when the ship that rescued him stops there. See more »


After Felix slips Vic a mickey, he tells Sarah it was benzodiazepine. Benzodiazepine is the umbrella name for the class of psychoactive drugs, including Valium, Klonopin, Ativan, Xanax, Librium, Rohypnol, et al. The proper usage would "I slipped him a benzodiazepine." See more »


Alison Hendrix: [Talking about Ansley] I guess, you know, in that sense she had it coming.
Vic: Had what coming?
Alison Hendrix: Oh, just an incident.
Vic: Come on, Ali. Unburden yourself. That's why we're here.
Alison Hendrix: No, I can't.
Vic: Hey. Look at me. You can trust me. The stuff that I've done - no judgment.
Alison Hendrix: I slept with her husband. In a parking lot. Do you think I'm awful?
Vic: No, I think you're brave. Alison, you're brave for sharing. Feels nice, feels good, no?
Alison Hendrix: Yeah.
Vic: You know, the next step is, you have to learn to forgive...
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Main Title Theme
Written by Two Fingers
Performed by Two Fingers
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User Reviews

Great fun.
13 December 2018 | by DVD_ConnoisseurSee all my reviews

The pace of this second season doesn't slow. There's great humour, tension and a dramatic surprise in store for the viewer in this episode.

The stunning Michelle Forbes makes her debut appearance in the show.

9 out of 10.

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Release Date:

31 May 2014 (USA) See more »

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