Antoine and Olga, a French couple, have been living in a small village in Galicia for a long time. They practice eco-responsible agriculture and restore abandoned houses to facilitate repopulation. Everything should be idyllic but for their opposition to a wind turbine project that creates a serious conflict with their neighbors. The tension will rise to the point of irreparability.

Seventeen-year-old Mariah Mundi's life is turned upside down when his parents vanish and his younger brother is kidnapped. Following a trail of clues to the darkly majestic Prince Regent Hotel, Mariah discovers a hidden realm of child-stealing monsters, deadly secrets and a long-lost artefact that grants limitless wealth—but also devastating supernatural power. With the fate of his world, and his family at stake, Mariah will risk everything to unravel the Curse of the Midas Box.