After witnessing a man's death in a bizarre accident, Father Pergado goes on a spiritual retreat, where he encounters his alien double bent on world conquest.
After a professor is crippled in a car accident, he blames his wife for the ordeal and attempts to have her killed using the same means. Now hospitalized with amnesia, she appears to be protected by a tiny voodoo trinket that she still clutches in her hand, which possesses her car and other objects, causing mayhem throughout the city.