An action-packed B-movie in book form, complete with nods to the 80s and early 90s. A long-lost Mayan temple that hides one of humanity's greatest secrets. A scientist who must die because he has nearly solved the puzzle. Four stones made of obsidian, scattered across the world, that lead to this temple. When Eric encounters the daughter of a scientist whose murder he barely escaped, the adventure of their lives begins for both of them. Pursued by a seemingly all-powerful brotherhood that stops at nothing, they must decipher the clues surrounding the mysterious obsidian stones that point the way to a Mayan site. Along with new friends, their quest takes them from Vienna to Paris, Barcelona to Mexico, where a mystery has been waiting for centuries to change humanity.