A grieving cop who loses her child to murder and moves to another town where she's tasked with investigating the disappearance of a missing child. Exploring themes of trauma, grief, the immigrant experience and our need for closure.

An MI6 deputy's bright future takes a sharp turn after a reunion with a Russian spy forces him to question his entire life.

As people across the globe are experiencing hallucinations, MI5 agent Zoe contacts Bill for answers. Catherine Durand detects unusual black hole activity.