Centuries ago it was announced the return of the plumed serpent, prophecies never die, but can kill ... The most important revelation was discovered during archaeological excavations for the Metro in Mexico City. A monolith that contains the mystery of ancient civilizations shared: the great feathered serpent. But it also marks the migration that transformed Kukulcan Quetzalcoatl. This is the beginning of centuries of prophecy that warned of man's fall. But the monolith mysteriously disappears before being studied, and to recover and unravel the secret, the team of researchers who deciphered the mystery of the snake gets together.