Orphan Black

Sarah, an orphan, gets caught up in a deadly conspiracy after learning that she is a clone. In the opener, Sarah witnesses the suicide of a woman who looks just like her and assumes the victim's identity in hopes of escaping her troubled life.

Sarah continues to impersonate Beth and gets her a second chance on the force.

Sarah's fake detective ruse stretches thin when the police find the body that she buried.

Sarah gets closer to finding the killer, but her efforts threaten to end her chances of a reunion with her daughter.

Evidence suggests that the orphans are part of an ongoing experiment. Sarah suspects Paul, but her probing inadvertently triggers Paul's own investigation.

Alison's paranoia puts all of the orphans at risk. Meanwhile, Sarah must decide who to trust with her secret.

Sarah confronts the conspiracy head-on, while the trust between herself and Paul weakens. Meanwhile, Cosima grows closer to Delphine and the mysterious Dr. Leekie.

Sarah's actions pit the orphans against each other; Paul tries to cover up Sarah's existence; Alison takes vengeance on her suspected monitor.

Dr. Leekie makes Sarah reconsider taking revenge after Kira is threatened. Meanwhile, Cosima faces the truth about Delphine; and Sarah decides the killer's fate.

The Orphans must decide whether to make peace with their creators; Sarah is forced into a showdown with the enemy.