American researcher Caden Montes is interested in Ancient Mesoamerica, now Mexico. Why, at the time of Christ, right here, on the edge of the world, did a completely original civilization with a complex structure suddenly arise? In those years, astronomers around the world observed an object crossing the sky in terrifying proximity to the Earth. Could it have happened that civilization was brought to Mesoamerica from the outside?.. However, reality turns out to be worse than the most daring theories. Before Kaden's eyes, an ancient evil awakens in Teotihuacan, the former capital of the Aztecs. Just a couple of years is enough for humanity under his yoke to roll back to primitiveness, and for the world to come to the end predicted by the ancients. But there is a way out. And the salvation of the planet must come from the depths of centuries, from where the Aztec curse originated...