A WWII pilot traveling with top secret documents on a B-17 Flying Fortress encounters an evil presence on board the flight.

A teenage girl is raised underground by a robot “Mother”, designed to repopulate the earth following an extinction event. But their unique bond is threatened when an inexplicable stranger arrives…

Things are at the lowest possible ebb for the fractured Hawkins family. With Joe in exile and the kids tired of their parents’ lies, Laura decides it’s time to tell…

Killer Synth is the breaking news story, and public panic is growing. Karen is hot on Niska’s tail, but are her motives for finding her more personal than professional?

Laura insists the family take Anita for testing when Mattie tells her that she’s seen Anita acting strangely, while Hobb is on Niska’s trail.

Laura is begrudgingly forced to keep Anita when she saves Toby from a road accident. George is planning an escape with Odi and Pete’s hot temper earns him a suspension…

Laura feels increasingly threatened by the presence of Synth Anita, and Leo’s quest for information takes him to dangerous places.

The Hawkins, a loving but troubled family decide to buy a ‘Synth’ called Anita, but they start to suspect there’s something unusual about her…