In a parallel present where the latest must-have gadget for any busy family is a 'Synth'--a highly-developed robotic servant that's so similar to a real human--is transforming the way we live.
Cast:Katherine Parkinson , Gemma Chan , Lucy Carless , Tom Goodman-Hill , Colin Morgan , Theo Stevenson , Ivanno Jeremiah , Pixie Davies , Emily Berrington , Ruth Bradley , Neil Maskell , Will Tudor , Thusitha Jayasundera , Billy Jenkins , Bella Dayne , Sope Dirisu , Danny Webb , Sonya Cassidy
1 year after the dawning of synth consciousness, Leo is still in a coma leaving Max, Mia and Flash to broker an uneasy peace with the fearful human world. Laura's fight for synth rights receives an unexpected boost.
A police raid on the Railyard leaves Max dealing with the fall-out from his life-or-death decision. The situation worsens when Agnes begins an anti-human campaign. Laura discovers an operation that could threaten synth survival.
Laura struggles to uncover the truth about Operation Basswood; Mattie and Leo confront their feelings for each other.
Laura leads a tense visit of the Dryden Commission to the Railyard, but Agnes's anger may threaten success. Mia confronts her past when she meets Ed. A night out turns to tragedy.
Truths are revealed and dangerous plans are put into action at the Railyard.
Laura and Leo discover shocking and painful truths; Niska continues on her mysterious journey.
Laura reels from her heartbreaking decision; Niska's journey takes an unexpected turn.
Humans and Synths go head-to-head; Laura, Niska and Mattie face major decisions.