In a dramatic showdown, humans and Synths go head-to-head - but will Mia and Max's peaceful protest cost them their lives? Laura, Niska and Mattie face major decisions.
Laura reels from her heartbreaking decision. Niska's journey takes an unexpected turn. And Leo races to be by Max's side, but walks into danger.
Laura discovers a shocking truth that threatens her life and those around her. Niska continues on her mysterious journey, and must defy all her instincts to survive.
While Sam reels from the events of Waltringham and Joe struggles to help him through it, truths are revealed and dangerous plans put into action at the Railyard.