Home with their newly-formed family, happy parents Dan and Jody are haunted by sinister, paranormal activities. Determined to expel the insidious force, they install security cameras and discover their family is being stalked by an evil dead demon.

In the third installment of the Scary Movie franchise, news anchorwoman Cindy Campbell has to investigate mysterious crop circles and killing video tapes, and help the President stop an alien invasion in the process.