Conducting clandestine experiments within the morgue at Miskatonic University, scientist Herbert West reveals to a fellow graduate student his groundbreaking work concerning the re-animation of fresh corpses.
The Resonator, a powerful machine that can control the sixth sense, has killed its creator and sent his associate into an insane asylum. When a beautiful psychiatrist becomes determined to continue the experiment, she unwittingly opens the door to a hostile parallel universe.
When Environmental Protection Agency inspector Steve Malone travels to a remote military base in order to check for toxic materials, he brings his family along for the ride. After arriving at the base, his teenage daughter Marti befriends Jean Platt, daughter of the base's commander, General Platt. When people at the base begin acting strangely, Marti becomes convinced that they are slowly being replaced by plant-like aliens.
