In a world overrun by zombies, military personnel and survivalists live in an underground bunker while they seek a cure.

A missing FBI agent reappears six years after being declared dead.

Promethean Kinetics has created Helios, a revolutionary clean coal energy source so powerful it rivals the force of the sun and will solve the energy crisis. But when certain governments start cutting safety measures required by Helios, the highly-explosive product begins to seep deep below the Earth's crust, producing giant blasts of fire and violent earthquakes above the surface. As cities shake and oceans boil, Eve Adams, creator of the Helios technology, rushes to investigate the subterranean phenomenon. As the situation becomes ever more dire, she is the only one who can save mankind, not to mention reputation.

A sudden and mysterious inheritance brings Danny and his friends to Hobb Springs, a forgotten resort deep in the West Virginia hills. Hobb Springs is being looked after under the watchful care of Jackson and Sally, a socially awkward couple who introduce Danny to the long lost family he's never known. A clan by the name of Hillicker. But soon Danny learns his relatives have a different way of living, that for generations, the Hillickers have observed ancient traditions rooted in cannibalism and other taboo rituals.

A millionaire philanthropist collects the famous Crystal Skulls trying to tap into their ancient powers. It is up to a team lead by a college professor whose father disappeared searching for the 13th skull to save the world when the first 12 skulls are united and reek havoc on the earth without the control of the 13th skull.