Cindy Campbell and her self-serving, sex-crazed pal Brenda are joined by Tom Ryan, a cute, but utterly clueless guy. Together, they battle to save the world from a ruthless alien invasion. Cindy moves in next to Tom because she's taking care of an elderly lady. She finds out the house is haunted by a little boy and goes on a quest in the village to find out who killed him and why. Also, Alien "Tr-iPods" are invading the world and Cindy has to uncover the secret in order to stop them.