Post-apocalyptic survivors find refuge in the Rocky Mountains to hide from giant, insect-like creatures that can't live above 8,000 feet. However, when one of them needs life-saving supplies, they risk it all to venture into the danger zone.

A trucker's family is killed in a fiery crash caused by a group of reckless teens. Rescued from the wreckage and nursed back to health by a mysterious old man, the trucker exacts brutal revenge on the teens who destroyed his life.

Dracula, Werewolf, and the Invisible Man must work together to stop Dr. Frankenstein from creating an unstoppable monster.