The sci-fi film Invasion stars Nicole Kidman as a psychiatrist with a sick child who begins to notice that the people in her community are subtly changing. She begins to believe that aliens may be responsible for the changes she sees around her, and wonder if this alien virus might be able to cure her son. Director Oliver Hirschbiegel's film, with a script by Dave Kajhanich is the fourth film version of the classic Invasion of the Body Snatchers story.