Petroleum engineers drilling in the African desert uncover a pocket of mysterious, life-preserving gas, and the hellish creatures hibernating within-a colony of ten-foot prehistoric scorpions. After 400 million years, Scorpius Rex has risen to reclaim its throne as Earth's apex predator. A humanitarian mission gone awry traps Dave Brank's security team inside the drilling complex's electrified perimeter, locked in a life or death battle against hordes...