Children of the Corn 7: Revelation (2001)

After her grandmother vanishes, young Jamie (Claudette Mink) decides to stay in the elderly woman's apartment in Nebraska in order to look for her. Unfortunately, all Jamie finds is a slew of sketchy neighbors and a large cornfield outside the window frequented by a bunch of creepy kids. As Jamie continues to look for her grandmother, the adults around her start to disappear, the children become more threatening and things take a supernatural turn as an evil spirit arises from the fields.