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
Niska is living as a fugitive in Berlin, while the other Synths are laying low in the UK.
Karen and Pete learn about a special Synth being sold on the black market; Mia risks exposing her secret to help Ed.
Athena arrives in the UK; Niska's consciousness assessments begin.
Mia and Ed's relationship is threatened; Things looks bleak for Niska when Laura calls a surprise witness.
Mia is forced to take drastic action; Hester and Leo locate the silo; Pete locates the valuable stolen Seraph.
Athena challenges Milo over his ethics, and is shocked whine he reveals his plan; Max starts a new community of synths.
Mattie asks Max to help save Leo from Hester's influence; Toby receives a disturbing message.
Hester seeks revenge on Leo; Karen takes matters in her own hands; Joe makes a shocking confession to Laura.