England welcomes a new summer, three years after an uprising. Expert coder Alice Woodstock returns from Australia, looking for work. A chance encounter at the local police station leads to a headlong race with her new friend Detective Boris McDonald across London to stop a tragedy. The fallout from her efforts brings her to the attention of the Home Office who are closing in on the shadowy figure behind the historic uprising - The Handler. Alice is recruited to corner him, before realising she may be in more danger than she thought.