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.

Desperate for proof of Gates’s corruption, Fleming pushes her relationship with him to the limit. But her behaviour causes Morton to question if she might not be such a loyal…