<p>Eve&#39;s attempts to help her sister KT pass for human are derailed when a miraculously recovered Katherine returns to Calimov. To Nick and Eve&#39;s horror, Katherine reveals her new range of childbots, which have been placed with local families. To prevent Katherine restoring KT to factory settings, Eve smuggles her out of Calimov and back to the Clarke house. But with Will and Lily...</p>