In the post-pandemic world of 2024 during an upcoming British general election involving the UK’s first Black Conservative prime minister, a leading team of analysts at the heart of the UK’s NSA-style spy agency GCHQ attempt to ward off a cyber-attack on the country’s electoral system.

Leah, 10, has terrible nightmares. Her mother seems distant somehow, lost in her thoughts. A small, nightly visitor brings Leah comfort, but soon Leah will realize that her little visitor offers knowledge that might be very, very dangerous.