A veteran Green Beret is forced by a cruel Sheriff and his deputies to flee into the mountains and wage an escalating one-man war against his pursuers.

All hell breaks loose when a giant Grizzly, reacting to the slaughter of Grizzlies by poachers, attacks at a massive big-band rock concert in the National Park.

A professor and four graduate students journey to a house in the mountains to investigate paranormal activities, but the experiment goes awry after an alien entity starts attacking them.