Amethyst rushes headlong into innovation and intrigue.
When their secrets are threatened in London, the Makers leave the country. Inspector Jenson heads out too, hunting dangerous traitors.
Feeling alone, Amethyst falls in with an American team developing a new aetheric engine. When their success draws interest from a private investor to test the engine’s capabilities on Pendine Sands, a trip to Wales is called for.
When the elements of her life come crashing back together, it’s not just Amethyst who’s in danger. In a high-stakes game of engines and intrigue, some people will try to change history forever.