There is a serial killer loose in America's National Parks. Greyson Beauchene, Head Ranger of Alaska's Denali National Park is certain he will never have to deal with that because his park is too 'out of the way.' However, Ranger Beauchene soon finds out he is dead wrong.Greyson and his two assistants are flown by helicopter into a remote section of the park where hikers have found a casket, one of the biggest indicators the serial killer has found...