Once an architect, Frank Bannister now passes himself off as an exorcist of evil spirits. To bolster his facade, he claims his "special" gift is the result of a car accident that killed his wife. But what he does not count on is more people dying in the small town where he lives. As he tries to piece together the supernatural mystery of these killings, he falls in love with the wife of one of the victims and deals with a crazy FBI agent.

An alien is left behind on Earth and saved by the 10-year-old Elliot who decides to keep him hidden in his home. While a task force hunts for the extra-terrestrial, Elliot, his brother, and his little sister Gertie form an emotional bond with their new friend, and try to help him find his way home.