1. The Few Who Dare

Sarah is deeply wounded and struggling to stay alive on the Island. Driven deep into its forest by Neolutionists and worse, she strives to make it far enough to rescue Cosima. Meanwhile, a recovering Cosima reunites with Delphine, but there's way more going on this Island than Cosima imagined and Delphine can't give her all the answers she needs. What is clear is that Rachel is now in firmly in charge at the right-hand of the 170-year-old founder of Neolution, PT Westmorland. Back home, Neolution puts the screws to Alison and Donnie in their hunt for Helena. The sestras couldn't be further apart when they need most to be together.

Plot summary and ending

Spoilers ahead. Coverage follows the scope labeled below.

Complete story — includes the ending

Sarah finds Cosima in Revival, a civilized village on the Island. She is told Revival chooses their residents for the betterment of science. Cosima decides to stay there to access the advanced medical science at Westmorland's disposal after having seen Delphine's bullet wound has healed almost completely. Rachel becomes the spokesperson for P.T. Westmorland. Felix and Ira try to contact M.K. Siobhan fends off Ferdinand with a corkscrew. Art gets a new partner, Detective Engers, who is actually working for Dyad. Engers captures Alison in an attempt to apprehend Helena. Donnie and Helena elude Engers but Helena is stabbed in the stomach. Sarah tries to escape the island but is captured by one of Rachel's men with a dart.

Sources and content license

Source and revision history · Adapted from Wikipedia contributors, List of Orphan Black episodes. HTML formatting and reference markers removed. · Content license