Ruby Quartz travels back in time to 1940s London to save a Watcher named Ursula from being captured by a mysterious organization known as the Static. Faced with the dangers of German bombings and the relentless pursuit of Static agents, Ruby must navigate through the chaos of the war-torn city and into the mind of Ursula, where she uncovers the shocking truth about the experiments conducted on her and other children by the Queens of Heaven. Desperate to prevent the corruption of time, Ruby makes a fateful decision that will change her life forever and threaten the fabric of history.