In Cold War Berlin, American magician Karen O Neil learned a terrible truth: Magic cannot be trusted. Despite her wariness of the new and growing powers she gained in Germany, Karen agrees to help an old friend and is drawn to Cuba. In Havana, while the fires of revolution kindle, Karen searches for a missing girl whose fate is intertwined with impossible and deadly magic. And she knows she s being watched. But spies and rebels aren t the only dangers hiding in Havana s long shadows, and Karen will learn that the future can be just as dangerous as the past.