A team of archaeologists unearths a mysterious, gelatinous creature in ancient Mayan ruins, successfully defeating it with fire and collecting a sample. As a comet approaches Earth, eerily similar to the one that hovered near the planet during the Mayan civilization's sudden decline, suspicions arise: is this a mere coincidence or a harbinger of doom?
Caltiki, the Immortal Monster
As they delve deeper into the ancient ruins, a team of archaeologists in Mexico stumbles upon a mysterious, shape-shifting entity linked to the downfall of the Mayan civilization.