Ep 4. Let the Children & the Childbearers Toil

As Sarah and Kira attempt to lay low with Mrs. S, they continue to investigate the mysteries surrounding the Neolutionists and their plans for the clones. Rachel, now allied with her former enemies, finds herself struggling with her new position and the dangerous decision she must make in order to protect her own interests. Elsewhere, Cosima and Scott take on a risky mission to further their research while Art and Felix work together to uncover a dangerous conspiracy threatening the lives of the clones and their loved ones. As tensions rise and allegiances shift, the fate of the clones and those closest to them hangs in the balance. Will they be able to outsmart their enemies and come out on top, or will they fall victim to a web of deception and betrayal? Only time will tell in this thrilling and action-packed episode of Orphan Black.