Sarah fights for her life on the Island and tries to stay strong enough to rescue Cosima; Cosima and Delphine reunite.
Sarah and Kira spend time at home; secrets are unlocked about Kira's gifts; Cosima joins Delphine at the mansion.
Rachel gives Sarah an ultimatum, and her decision causes a clash with Kira; Felix brings an old ally into the mix.
Liam (Robert Leeshock) must decide whether to save the life of his enemy Zo'or (Anita La Selva), who suffers serious injuries after their shuttle crashes in a remote part of the United States.
Craddock, Bennett and Couteau track a murderous bank robber.
